The following is an alphabetical list of members of the United States House of Representatives from the state of Wisconsin. For chronological tables of members of both houses of the United States Congress from the state (through the present day), see United States congressional delegations from Wisconsin.
Updated November 5, 2024.[1]
| Member/Delegate | Years | Party | District | Electoral history | ||||
|---|---|---|---|---|---|---|---|---|
| align=left data-sort-value="Adams Henry Cullen" | Henry Cullen Adams | data-sort-value="March 4, 1903" | March 4, 1903 – July 9, 1906 | Republican | Elected in 1902. Died. | |||
| Thomas Ryum Amlie | data-sort-value="October 13, 1931" | October 13, 1931 – March 3, 1933 | Republican | Elected to finish Cooper's term. Lost renomination to Blanchard. | ||||
| data-sort-value="January 3, 1935" | January 3, 1935 – January 3, 1939 | Progressive | Elected in 1934. Retired to run for U.S. senator. | |||||
| align=left data-sort-value="Aspin Les" | Les Aspin | data-sort-value="January 3, 1971" | January 3, 1971 – January 20, 1993 | Democratic | Elected in 1970. Resigned to become U.S. Secretary of Defense. | |||
| align=left data-sort-value="Atwood David" | David Atwood | data-sort-value="February 23, 1870" | February 23, 1870 – March 3, 1871 | Republican | Elected to finish Hopkins's term. Retired. | |||
| align=left data-sort-value="Babbitt Clinton" | Clinton Babbitt | data-sort-value="March 4, 1891" | March 4, 1891 – March 3, 1893 | Democratic | Elected in 1890. Lost re-election to Cooper. | |||
| align=left data-sort-value="Babcock Joseph W." | Joseph W. Babcock | data-sort-value="March 4, 1893" | March 4, 1893 – March 3, 1907 | Republican | Elected in 1892. Lost re-election to Murphy. | |||
| align=left data-sort-value="Baldus Alvin" | Alvin Baldus | data-sort-value="January 3, 1975" | January 3, 1975 – January 3, 1981 | Democratic | Elected in 1974. Lost re-election to Gunderson. | |||
| align=left data-sort-value="Baldwin Tammy" | Tammy Baldwin | data-sort-value="January 3, 1999" | January 3, 1999 – January 3, 2013 | Democratic | Elected in 1998. Retired to run for U.S. senator. | |||
| align=left data-sort-value="Barber J. Allen" | J. Allen Barber | data-sort-value="March 4, 1871" | March 4, 1871 – March 3, 1875 | Republican | Elected in 1870. Retired. | |||
| align=left data-sort-value="Barca Peter W." | Peter W. Barca | data-sort-value="May 4, 1993" | May 4, 1993 – January 3, 1995 | Democratic | Elected to finish Aspin's term. Lost re-election to Neumann. | |||
| align=left data-sort-value="Barnes Lyman E." | Lyman E. Barnes | data-sort-value="March 4, 1893" | March 4, 1893 – March 3, 1895 | Democratic | Elected in 1892. Lost re-election to Minor. | |||
| align=left data-sort-value="Barney Samuel S." | Samuel S. Barney | data-sort-value="March 4, 1895" | March 4, 1895 – March 3, 1903 | Republican | Elected in 1894. Retired. | |||
| data-sort-value="Barrett Tom" align=left | Tom Barrett | data-sort-value="January 3, 1993" | January 3, 1993 – January 3, 2003 | Democratic | Elected in 1992. Retired to run for governor. | |||
| align=left data-sort-value="Barwig Charles" | Charles Barwig | data-sort-value="March 4, 1889" | March 4, 1889 – March 3, 1895 | Democratic | Elected in 1888. Lost re-election to Sauerhering. | |||
| align=left data-sort-value="Beck Joseph D." | Joseph D. Beck | data-sort-value="March 4, 1921" | March 4, 1921 – March 3, 1929 | Republican | Elected in 1920. Retired to run for governor. | |||
| Victor L. Berger | data-sort-value="March 4, 1911" | March 4, 1911 – March 3, 1913 | Socialist | Elected in 1910. Lost re-election to Stafford. | ||||
| data-sort-value="March 4, 1923" | March 4, 1923 – March 3, 1929 | Elected in 1922. Lost re-election to Stafford. | ||||||
| Andrew Biemiller | data-sort-value="January 3, 1945" | January 3, 1945 – January 3, 1947 | Democratic | Elected in 1944. Lost re-election to Kersten. | ||||
| data-sort-value="January 3, 1949" | January 3, 1949 – January 3, 1951 | Elected in 1948. Lost re-election to Kersten. | ||||||
| Charles Billinghurst | data-sort-value="March 4, 1855" | March 4, 1855 – March 3, 1857 | Opposition | Elected in 1854. Switched parties. | ||||
| data-sort-value="March 4, 1857" | March 4, 1857 – March 3, 1859 | Republican | Re-elected in 1856 as a Republican. Lost re-election to Larrabee. | |||||
| align=left data-sort-value="Blanchard George W." | George W. Blanchard | data-sort-value="March 4, 1933" | March 4, 1933 – January 3, 1935 | Republican | Elected in 1932. Renominated but withdrew prior to election. | |||
| Gerald J. Boileau | data-sort-value="March 4, 1931" | March 4, 1931 – March 3, 1933 | Republican | Elected in 1930. Redistricted to the . | ||||
| data-sort-value="March 4, 1933" | March 4, 1933 – January 3, 1935 | Redistricted from the and re-elected in 1932. Switched parties. | ||||||
| data-sort-value="January 3, 1935" | January 3, 1935 – January 3, 1939 | Progressive | Re-elected in 1934 as a Progressive. Lost re-election to Murray. | |||||
| align=left data-sort-value="Bolles Stephen" | Stephen Bolles | data-sort-value="January 3, 1939" | January 3, 1939 – July 8, 1941 | Republican | Elected in 1938. Died. | |||
| align=left data-sort-value="Bouck Gabriel" | Gabriel Bouck | data-sort-value="March 4, 1877" | March 4, 1877 – March 3, 1881 | Democratic | Elected in 1876. Lost re-election to Guenther. | |||
| Edward S. Bragg | data-sort-value="March 4, 1877" | March 4, 1877 – March 3, 1883 | Democratic | Elected in 1876. Redistricted to the and lost renomination to Sumner. | ||||
| data-sort-value="March 4, 1885" | March 4, 1885 – March 3, 1887 | Elected in 1884. Lost renomination to Arthur Delaney. | ||||||
| align=left data-sort-value="Brickner George H." | George H. Brickner | data-sort-value="March 4, 1889" | March 4, 1889 – March 3, 1895 | Democratic | Elected in 1888. Retired. | |||
| align=left data-sort-value="Brophy John C." | John C. Brophy | data-sort-value="January 3, 1947" | January 3, 1947 – January 3, 1949 | Republican | Elected in 1946. Lost re-election to Zablocki. | |||
| align=left data-sort-value="Brown James S." | James S. Brown | data-sort-value="March 4, 1863" | March 4, 1863 – March 3, 1865 | Democratic | Elected in 1862. Renominated but withdrew from re-election. | |||
| Webster E. Brown | data-sort-value="March 4, 1901" | March 4, 1901 – March 3, 1903 | Republican | Elected in 1900. Redistricted to the . | ||||
| data-sort-value="March 4, 1903" | March 4, 1903 – March 3, 1907 | Redistricted from the and re-elected in 1902. Retired. | ||||||
| align=left data-sort-value="Browne Edward E." | Edward E. Browne | data-sort-value="March 4, 1913" | March 4, 1913 – March 3, 1931 | Republican | Elected in 1912. Lost renomination to Boileau. | |||
| align=left data-sort-value="Burchard Samuel D." | Samuel D. Burchard | data-sort-value="March 4, 1875" | March 4, 1875 – March 3, 1877 | Democratic | Elected in 1874. Lost renomination to Bragg. | |||
| Michael E. Burke | data-sort-value="March 4, 1911" | March 4, 1911 – March 3, 1913 | rowspan=2 | Democratic | Elected in 1910. Redistricted to the . | |||
| data-sort-value="March 4, 1913" | March 4, 1913 – March 3, 1917 | Redistricted from the and re-elected in 1912. Lost re-election to Voigt. | ||||||
| align=left data-sort-value="Bushnell Allen R." | Allen R. Bushnell | data-sort-value="March 4, 1891" | March 4, 1891 – March 3, 1893 | Democratic | Elected in 1890. Retired. | |||
| align=left data-sort-value="Byrnes John W." | John W. Byrnes | data-sort-value="January 3, 1945" | January 3, 1945 – January 3, 1973 | Republican | Elected in 1944. Retired. | |||
| align=left data-sort-value="Cannon Raymond Joseph" | Raymond Joseph Cannon | data-sort-value="March 4, 1933" | March 4, 1933 – January 3, 1939 | Democratic | Elected in 1932. Lost renomination to Wasielewski and lost re-election as an independent. | |||
| align=left data-sort-value="Cary William J." | William J. Cary | data-sort-value="March 4, 1907" | March 4, 1907 – March 3, 1919 | Republican | Elected in 1906. Lost renomination to J.C. Kleczka. | |||
| Lucien B. Caswell | data-sort-value="March 4, 1875" | March 4, 1875 – March 3, 1883 | Republican | Elected in 1874. Lost renomination. | ||||
| data-sort-value="March 4, 1885" | March 4, 1885 – March 3, 1891 | Republican | Elected in 1884. Lost renomination. | |||||
| align=left data-sort-value="Cate George W." | George W. Cate | data-sort-value="March 4, 1875" | March 4, 1875 – March 3, 1877 | Democratic | Elected in 1874. Lost re-election to Pound. | |||
| align=left data-sort-value="Clark Charles B." | Charles B. Clark | data-sort-value="March 4, 1887" | March 4, 1887 – March 3, 1891 | Republican | Elected in 1886. Lost re-election to Miller. | |||
| align=left data-sort-value="Classon David G." | David G. Classon | data-sort-value="March 4, 1917" | March 4, 1917 – March 3, 1923 | Republican | Elected in 1916. Retired. | |||
| align=left data-sort-value="Cobb Amasa" | Amasa Cobb | data-sort-value="March 4, 1863" | March 4, 1863 – March 3, 1871 | Republican | Elected in 1862. Retired. | |||
| align=left data-sort-value="Coburn Frank P." | Frank P. Coburn | data-sort-value="March 4, 1891" | March 4, 1891 – March 3, 1893 | Democratic | Elected in 1890. Lost re-election to Shaw. | |||
| align=left data-sort-value="Cole Orasmus" | Orasmus Cole | data-sort-value="March 4, 1849" | March 4, 1849 – March 3, 1851 | Whig | Elected in 1848. Lost re-election to Eastman. | |||
| align=left data-sort-value="Cook Samuel A." | Samuel A. Cook | data-sort-value="March 4, 1895" | March 4, 1895 – March 3, 1897 | Republican | Elected in 1894. Retired to run for U.S. senator. | |||
| Henry A. Cooper | data-sort-value="March 4, 1893" | March 4, 1893 – March 3, 1919 | Republican | Elected in 1892. Lost renomination to Randall and lost re-election as an independent. | ||||
| data-sort-value="March 4, 1921" | March 4, 1921 – March 1, 1931 | Elected in 1920. Re-elected but died before next term began. | ||||||
| align=left data-sort-value="Cornell Robert John" | Robert John Cornell | data-sort-value="January 3, 1975" | January 3, 1975 – January 3, 1979 | Democratic | Elected in 1974. Lost re-election to Roth. | |||
| align=left data-sort-value="Dahle Herman B." | Herman B. Dahle | data-sort-value="March 4, 1899" | March 4, 1899 – March 3, 1903 | Republican | Elected in 1898. Lost renomination to Adams. | |||
| align=left data-sort-value="Darling Mason Cook" | Mason Cook Darling | data-sort-value="June 9, 1848" | June 9, 1848 – March 3, 1849 | Democratic | Elected to the short term. Retired. | |||
| James H. Davidson | data-sort-value="March 4, 1897" | March 4, 1897 – March 3, 1903 | Republican | Elected in 1896. Redistricted to the . | ||||
| data-sort-value="March 4, 1903" | March 4, 1903 – March 3, 1913 | Redistricted from the and re-elected in 1902. Lost re-election to Browne. | ||||||
| data-sort-value="March 4, 1917" | March 4, 1917 – August 6, 1918 | Elected in 1916. Died. | ||||||
| Glenn Robert Davis | data-sort-value="April 22, 1947" | April 22, 1947 – January 3, 1957 | Republican | Elected to finish Henry's term. Retired to run for U.S. senator. | ||||
| data-sort-value="January 3, 1965" | January 3, 1965 – December 31, 1974 | Elected in 1964. Lost renomination to Kasten and resigned early. | ||||||
| align=left data-sort-value="Deuster Peter V." | Peter V. Deuster | data-sort-value="March 4, 1879" | March 4, 1879March 3, 1885 | Democratic | Elected in 1878. Lost re-election to Van Schaick. | |||
| align=left data-sort-value="Dilweg LaVern R." | LaVern R. Dilweg | data-sort-value="January 3, 1943" | January 3, 1943 – January 3, 1945 | Democratic | Elected in 1942. Lost re-election to Byrnes. | |||
| James D. Doty | data-sort-value="January 14, 1839" | January 14, 1839 – March 3, 1841 | Democratic | data-sort-value="-1" | Elected in 1838. Retired. | |||
| data-sort-value="March 4, 1849" | March 4, 1849 – March 3, 1851 | Elected in 1848. Switched parties. | ||||||
| data-sort-value="March 4, 1851" | March 4, 1851 – March 3, 1853 | Independent Democratic | Re-elected in 1850 as an Independent Democrat. Retired. | |||||
| align=left data-sort-value="Duffy Sean" | Sean Duffy | data-sort-value="January 3, 2011" | January 3, 2011 – September 23, 2019 | Republican | Elected in 2010. Resigned due to family health issues. | |||
| align=left data-sort-value="Durkee Charles" | Charles Durkee | data-sort-value="March 4, 1849" | March 4, 1849 – March 3, 1853 | Free Soil Party | Elected in 1848. Retired. | |||
| align=left data-sort-value="Eastman Ben C." | Ben C. Eastman | data-sort-value="March 4, 1851" | March 4, 1851 – March 3, 1855 | Democratic | Elected in 1850. Retired. | |||
| Charles A. Eldredge | data-sort-value="March 4, 1863" | March 4, 1863 – March 3, 1873 | Democratic | Elected in 1862. Redistricted to the . | ||||
| data-sort-value="March 4, 1873" | March 4, 1873 – March 3, 1875 | Redistricted from the and re-elected in 1872. Lost renomination to Burchard. | ||||||
| align=left data-sort-value="Esch John J." | John J. Esch | data-sort-value="March 4, 1899" | March 4, 1899 – March 3, 1921 | Republican | Elected in 1898. Lost renomination to Beck. | |||
| align=left data-sort-value="Fitzgerald Scott L." | Scott L. Fitzgerald | data-sort-value="January 3, 2021" | January 3, 2021 – present | Republican | Elected in 2020. Incumbent | |||
| align=left data-sort-value="Flynn Gerald T." | Gerald T. Flynn | data-sort-value="January 3, 1959" | January 3, 1959 – January 3, 1961 | Democratic | Elected in 1958. Lost re-election to Schadeberg. | |||
| James A. Frear | data-sort-value="March 4, 1913" | March 4, 1913 – March 3, 1933 | Republican | Elected in 1912. Redistricted to the . | ||||
| data-sort-value="March 4, 1933" | March 4, 1933 – January 3, 1935 | Redistricted from the and re-elected in 1932. Retired. | ||||||
| align=left data-sort-value="Froehlich Harold Vernon" | Harold Vernon Froehlich | data-sort-value="January 3, 1973" | January 3, 1973 – January 3, 1975 | Republican | Elected in 1972. Lost re-election to Cornell. | |||
| data-sort-value="Gallagher Mike" align=left | Mike Gallagher | data-sort-value="January 3, 2017" | January 3, 2017 – April 24, 2024 | Republican | Elected in 2016. Resigned. | |||
| align=left data-sort-value="Gehrmann Bernard J." | Bernard J. Gehrmann | data-sort-value="January 3, 1935" | January 3, 1935 – January 3, 1943 | Progressive | Elected in 1934. Lost re-election to O'Konski. | |||
| align=left data-sort-value="Green Mark Andrew" | Mark Green | data-sort-value="January 3, 1999" | January 3, 1999 – January 3, 2007 | Republican | Elected in 1998. Retired to run for governor. | |||
| data-sort-value="Griffin Michael" align=left | Michael Griffin | data-sort-value="November 5, 1894" | November 5, 1894 – March 3, 1899 | Republican | Elected to finish Shaw's term. Retired. | |||
| align=left data-sort-value="Griswold Harry W." | Harry W. Griswold | data-sort-value="January 3, 1939" | January 3, 1939 – July 4, 1939 | Republican | Elected in 1938. Died. | |||
| align=left data-sort-value="Grothman Glenn" | Glenn Grothman | data-sort-value="January 3, 2015" | January 3, 2015 – present | Republican | Elected in 2014. Incumbent. | |||
| Richard W. Guenther | data-sort-value="March 4, 1881" | March 4, 1881 – March 3, 1887 | Republican | Elected in 1880. Redistricted to the . | ||||
| data-sort-value="March 4, 1887" | March 4, 1887 – March 3, 1889 | Redistricted from the and re-elected in 1886. Retired. | ||||||
| align=left data-sort-value="Gunderson Steve" | Steve Gunderson | data-sort-value="January 3, 1981" | January 3, 1981 – January 3, 1997 | Republican | Elected in 1980. Retired. | |||
| align=left data-sort-value="Hanchett Luther" | Luther Hanchett | data-sort-value="March 4, 1861" | March 4, 1861 – November 24, 1862 | Republican | Elected in 1860. Died. | |||
| Nils P. Haugen | data-sort-value="March 4, 1887" | March 4, 1887 – March 3, 1893 | Republican | Elected in 1886. Redistricted to the . | ||||
| data-sort-value="March 4, 1893" | March 4, 1893 – March 3, 1895 | Redistricted from the and re-elected in 1892. Retired to run for governor. | ||||||
| align=left data-sort-value="Hawks Charles Jr." | Charles Hawks Jr. | data-sort-value="January 3, 1939" | January 3, 1939 – January 3, 1941 | Republican | Elected in 1938. Lost re-election to Sauthoff. | |||
| align=left data-sort-value="Hazelton George Cochrane" | George Cochrane Hazelton | data-sort-value="March 4, 1877" | March 4, 1877 – March 3, 1883 | Republican | Elected in 1876. Lost renomination. | |||
| align=left data-sort-value="Hazelton Gerry Whiting" | Gerry Whiting Hazelton | data-sort-value="March 4, 1871" | March 4, 1871 – March 3, 1875 | Republican | Elected in 1870. Retired. | |||
| align=left data-sort-value="Henney Charles W." | Charles W. Henney | data-sort-value="March 4, 1933" | March 4, 1933 – January 3, 1935 | Democratic | Elected in 1932. Lost re-election to Sauthoff. | |||
| align=left data-sort-value="Henry Robert K." | Robert K. Henry | data-sort-value="January 3, 1945" | January 3, 1945 – November 20, 1946 | Republican | Elected in 1944. Re-elected but died before next term began. | |||
| align=left data-sort-value="Hopkins Benjamin F." | Benjamin F. Hopkins | data-sort-value="March 4, 1867" | March 4, 1867 – January 1, 1870 | Republican | Elected in 1866. Died. | |||
| align=left data-sort-value="Hudd Thomas R." | Thomas R. Hudd | data-sort-value="March 8, 1886" | March 8, 1886 – March 3, 1889 | Democratic | Elected to finish Rankin's term. Retired. | |||
| align=left data-sort-value="Hughes James F." | James F. Hughes | data-sort-value="March 4, 1933" | March 4, 1933 – January 3, 1935 | Democratic | Elected in 1932. Retired. | |||
| Merlin Hull | data-sort-value="March 4, 1929" | March 4, 1929 – March 3, 1931 | Republican | Elected in 1928. Lost renomination to Withrow. | ||||
| data-sort-value="January 3, 1935" | January 3, 1935 – January 3, 1947 | Progressive | Elected in 1934. Switched parties. | |||||
| data-sort-value="January 3, 1947" | January 3, 1947 – May 17, 1953 | Republican | Re-elected in 1946 as a Republican. Died. | |||||
| align=left data-sort-value="Humphrey Herman L." | Herman L. Humphrey | data-sort-value="March 4, 1877" | March 4, 1877 – March 3, 1883 | Republican | Elected in 1876. Lost renomination. | |||
| John J. Jenkins | data-sort-value="March 4, 1895" | March 4, 1895 – March 3, 1903 | Republican | Elected in 1894. Redistricted to the . | ||||
| data-sort-value="March 4, 1903" | March 4, 1903 – March 3, 1909 | Redistricted from the and re-elected in 1902. Lost renomination to Lenroot. | ||||||
| align=left data-sort-value="Johns Joshua L." | Joshua L. Johns | data-sort-value="January 3, 1939" | January 3, 1939 – January 3, 1943 | Republican | Elected in 1938. Lost re-election to Dilweg. | |||
| align=left data-sort-value="Johnson Jay W." | Jay W. Johnson | data-sort-value="January 3, 1997" | January 3, 1997 – January 3, 1999 | Democratic | Elected in 1996. Lost re-election to Green. | |||
| data-sort-value="Johnson Lester" align=left | Lester Johnson | data-sort-value="October 13, 1953" | October 13, 1953 – January 3, 1965 | Democratic | Elected to finish Hull's term. Retired. | |||
| align=left data-sort-value="Jones Burr W." | Burr W. Jones | data-sort-value="March 4, 1883" | March 4, 1883 – March 3, 1885 | Democratic | Elected in 1882. Lost re-election to La Follette. | |||
| George Wallace Jones | data-sort-value="January 26, 1837" | January 26, 1837 – March 3, 1837 | Jacksonian | Redistricted from the . Switched parties. | ||||
| nowrap data-sort-value="March 4, 1837" | March 4, 1837 – January 14, 1839 | Democratic | Re-elected in 1836 as a Democrat. Election invalidated. | |||||
| align=left data-sort-value="Dodge Henry" | Henry Dodge | nowrap data-sort-value="March 4, 1841" | March 4, 1841 – March 3, 1845 | Democratic | data-sort-value="-1" | Elected in 1840. Retired to become Governor of Wisconsin Territory. | ||
| align=left data-sort-value="Martin Morgan Lewis" | Morgan L. Martin | nowrap data-sort-value="March 4, 1845" | March 4, 1845 – March 3, 1847 | Democratic | data-sort-value="-1" | Elected in 1844. Lost re-election to Tweedy. | ||
| align=left data-sort-value="Tweedy John H." | John H. Tweedy | nowrap data-sort-value="March 4, 1847" | March 4, 1847 – May 28, 1848 | Whig | data-sort-value="-1" | Elected in 1846. Resigned. | ||
| align=left data-sort-value="Sibley Henry H." | Henry H. Sibley | nowrap data-sort-value="October 30, 1848" | October 30, 1848 – March 3, 1849 | Democratic | data-sort-value="-1" | Elected to finish Tweedy's term. Redistricted to the . | ||
| align=left data-sort-value="Kading Charles A." | Charles A. Kading | data-sort-value="March 4, 1927" | March 4, 1927 – March 3, 1933 | Republican | Elected in 1926. Lost renomination to John B. Gay. | |||
| align=left data-sort-value="Kagen Steve" | Steve Kagen | data-sort-value="January 3, 2007" | January 3, 2007 – January 3, 2011 | Democratic | Elected in 2006. Lost re-election to Ribble. | |||
| align=left data-sort-value="Kasten Bob" | Bob Kasten | data-sort-value="January 3, 1975" | January 3, 1975 – January 3, 1979 | Republican | Elected in 1974. Retired to run for governor. | |||
| align=left data-sort-value="Kastenmeier Robert" | Robert Kastenmeier | data-sort-value="January 3, 1959" | January 3, 1959 – January 3, 1991 | Democratic | Elected in 1958. Lost re-election to Klug. | |||
| align=left data-sort-value="Keefe Frank Bateman" | Frank Bateman Keefe | data-sort-value="January 3, 1939" | January 3, 1939 – January 3, 1951 | Republican | Elected in 1938. Retired. | |||
| Charles J. Kersten | data-sort-value="January 3, 1947" | January 3, 1947 – January 3, 1949 | Republican | Elected in 1946. Lost re-election to Biemiller. | ||||
| data-sort-value="January 3, 1951" | January 3, 1951 – January 3, 1955 | Elected in 1950. Lost re-election to Reuss. | ||||||
| align=left data-sort-value="Kimball Alanson M." | Alanson M. Kimball | data-sort-value="March 4, 1875" | March 4, 1875 – March 3, 1877 | Republican | Elected in 1874. Lost re-election to Bouck. | |||
| align=left data-sort-value="Kind Ron" | Ron Kind | data-sort-value="January 3, 1997" | January 3, 1997 – January 3, 2023 | Democratic | Elected in 1996. Retired. | |||
| align=left data-sort-value="Kleczka Jerry" | Jerry Kleczka | data-sort-value="April 3, 1984" | April 3, 1984 – January 3, 2005 | Democratic | Elected to finish Zablocki's term. Retired. | |||
| align=left data-sort-value="Kleczka John C." | John C. Kleczka | data-sort-value="March 4, 1919" | March 4, 1919 – March 3, 1923 | Republican | Elected in 1918. Retired. | |||
| align=left data-sort-value="Klug Scott L." | Scott L. Klug | data-sort-value="January 3, 1991" | January 3, 1991 – January 3, 1999 | Republican | Elected in 1990. Retired. | |||
| align=left data-sort-value="Konop Thomas F." | Thomas F. Konop | data-sort-value="March 4, 1911" | March 4, 1911 – March 3, 1917 | Democratic | Elected in 1910. Lost re-election to Classon. | |||
| align=left data-sort-value="Kopp Arthur W." | Arthur W. Kopp | data-sort-value="March 4, 1909" | March 4, 1909 – March 3, 1913 | Republican | Elected in 1908. Retired. | |||
| align=left data-sort-value="Küstermann" | Gustav Küstermann | data-sort-value="March 4, 1907" | March 4, 1907 – March 3, 1911 | Republican | Elected in 1906. Lost re-election to Konop. | |||
| align=left data-sort-value="La Follette Robert M." | Robert M. La Follette | data-sort-value="March 4, 1885" | March 4, 1885 – March 3, 1891 | Republican | Elected in 1884. Lost re-election to Bushnell. | |||
| align=left data-sort-value="Laird Melvin R." | Melvin R. Laird | data-sort-value="January 3, 1953" | January 3, 1953 – January 21, 1969 | Republican | Elected in 1952. Resigned to become U.S. Secretary of Defense. | |||
| align=left data-sort-value="Lampert Florian" | Florian Lampert | data-sort-value="November 5, 1918" | November 5, 1918 – July 18, 1930 | Republican | Elected to finish Davidson's term. Died. | |||
| align=left data-sort-value="Larrabee Charles H." | Charles H. Larrabee | data-sort-value="March 4, 1859" | March 4, 1859 – March 3, 1861 | Democratic | Elected in 1858. Lost re-election to A.S. Sloan. | |||
| align=left data-sort-value="Lenroot Irvine" | Irvine Lenroot | data-sort-value="March 4, 1909" | March 4, 1909 – April 17, 1918 | Republican | Elected in 1908. Resigned when elected U.S. senator. | |||
| data-sort-value="Lynch Thomas" align=left | Thomas Lynch | data-sort-value="March 4, 1891" | March 4, 1891 – March 3, 1895 | Democratic | Elected in 1890. Retired. | |||
| William Pitt Lynde | data-sort-value="June 5, 1848" | June 5, 1848 – March 3, 1849 | Democratic | Elected to the short term. Lost re-election to Durkee. | ||||
| data-sort-value="March 4, 1875" | March 4, 1875 – March 3, 1879 | Elected in 1874. Retired. | ||||||
| align=left data-sort-value="Macy John B." | John B. Macy | data-sort-value="March 4, 1853" | March 4, 1853 – March 3, 1855 | Democratic | Elected in 1852. Lost re-election to Billinghurst. | |||
| align=left data-sort-value="Magoon Henry S." | Henry S. Magoon | data-sort-value="March 4, 1875" | March 4, 1875 – March 3, 1877 | Republican | Elected in 1874. Lost renomination to G.C. Hazelton. | |||
| align=left data-sort-value="McCord Myron H." | Myron H. McCord | data-sort-value="March 4, 1889" | March 4, 1889 – March 3, 1891 | Republican | Elected in 1888. Lost re-election to Lynch. | |||
| align=left data-sort-value="McDill Alexander S." | Alexander S. McDill | data-sort-value="March 4, 1873" | March 4, 1873 – March 3, 1875 | Republican | Elected in 1872. Lost re-election to Cate. | |||
| Walter D. McIndoe | data-sort-value="January 26, 1863" | January 26, 1863 – March 3, 1863 | Republican | Elected to finish Hanchett's term. Redistricted to the . | ||||
| data-sort-value="March 4, 1863" | March 4, 1863 – March 3, 1867 | Redistricted from the and re-elected in 1862. Retired. | ||||||
| align=left data-sort-value="McMurray Howard J." | Howard J. McMurray | data-sort-value="January 3, 1943" | January 3, 1943 – January 3, 1945 | Democratic | Elected in 1942. Retired to run for U.S. Senator. | |||
| align=left data-sort-value="Miller Lucas M." | Lucas M. Miller | data-sort-value="March 4, 1891" | March 4, 1891 – March 3, 1893 | Democratic | Elected in 1890. Lost renomination to O. Wells. | |||
| Edward S. Minor | data-sort-value="March 4, 1895" | March 4, 1895 – March 3, 1903 | Republican | Elected in 1894. Redistricted to the . | ||||
| data-sort-value="March 4, 1903" | March 4, 1903 – March 3, 1907 | Redistricted from the and re-elected in 1902. Lost renomination to Küstermann. | ||||||
| data-sort-value="Mitchell Alexander" rowspan=2 align=left | Alexander Mitchell | data-sort-value="March 4, 1871" | March 4, 1871 – March 3, 1873 | Democratic | Elected in 1870. Redistricted to the . | |||
| data-sort-value="March 4, 1873" | March 4, 1873 – March 3, 1875 | Redistricted from the and re-elected in 1872. Retired. | ||||||
| align=left data-sort-value="Mitchell John L." | John L. Mitchell | data-sort-value="March 4, 1891" | March 4, 1891 – March 3, 1893 | Democratic | Elected in 1890. Re-elected but resigned when elected U.S. senator. | |||
| align=left data-sort-value="Monahan James G." | James G. Monahan | data-sort-value="March 4, 1919" | March 4, 1919 – March 3, 1921 | Republican | Elected in 1918. Lost renomination to J. Nelson. | |||
| align=left data-sort-value="Moody Jim" | Jim Moody | data-sort-value="January 3, 1983" | January 3, 1983 – January 3, 1993 | Democratic | Elected in 1982. Retired to run for U.S. senator. | |||
| align=left data-sort-value="Moore Gwen" | Gwen Moore | data-sort-value="January 3, 2005" | January 3, 2005 – present | Democratic | Elected in 2004. Incumbent. | |||
| align=left data-sort-value="Morse Elmer A." | Elmer A. Morse | data-sort-value="March 4, 1907" | March 4, 1907 – March 3, 1913 | Republican | Elected in 1906. Lost re-election to Frear. | |||
| align=left data-sort-value="Murphy James William" | James William Murphy | data-sort-value="March 4, 1907" | March 4, 1907 – March 3, 1909 | Democratic | Elected in 1906. Lost re-election to Kopp. | |||
| align=left data-sort-value="Murray Reid F." | Reid F. Murray | data-sort-value="January 3, 1939" | January 3, 1939 – April 29, 1952 | Republican | Elected in 1938. Died. | |||
| align=left data-sort-value="Nelson Adolphus P." | Adolphus P. Nelson | data-sort-value="November 5, 1918" | November 5, 1918 – March 3, 1923 | Republican | Elected to finish Lenroot's term. Lost re-election to Peavey. | |||
| John M. Nelson | data-sort-value="September 4, 1906" | September 4, 1906 – March 3, 1913 | Republican | Elected to finish Adams's term. Redistricted to the . | ||||
| data-sort-value="March 4, 1913" | March 4, 1913 – March 3, 1919 | Redistricted from the and re-elected in 1912. Lost renomination to Monahan. | ||||||
| data-sort-value="March 4, 1921" | March 4, 1921 – March 3, 1933 | Elected in 1920. Lost renomination to Withrow. | ||||||
| align=left data-sort-value="Neumann Mark" | Mark Neumann | data-sort-value="January 3, 1995" | January 3, 1995 – January 3, 1999 | Republican | Elected in 1994. Retired to run for U.S. senator. | |||
| align=left data-sort-value="O'Konski" | Alvin O'Konski | data-sort-value="January 3, 1943" | January 3, 1943 – March 3, 1973 | Republican | Elected in 1942. Redistricted to the and lost re-election to Obey. | |||
| align=left data-sort-value="O'Malley Thomas" | Thomas O'Malley | data-sort-value="March 4, 1933" | March 4, 1933 – January 3, 1939 | Democratic | Elected in 1932. Lost re-election to Thill. | |||
| align=left data-sort-value="Obey Dave" | Dave Obey | data-sort-value="April 1, 1969" | April 1, 1969 – January 3, 2011 | Democratic | Elected to finish Laird's term. Retired. | |||
| align=left data-sort-value="Otjen Theobald" | Theobald Otjen | data-sort-value="March 4, 1895" | March 4, 1895 – March 3, 1907 | Republican | Elected in 1894. Lost renomination to Cary. | |||
| align=left data-sort-value="Paine Halbert E." | Halbert E. Paine | data-sort-value="March 4, 1865" | March 4, 1865 – March 3, 1871 | Republican | Elected in 1864. Retired. | |||
| Hubert H. Peavey | data-sort-value="March 4, 1923" | March 4, 1923 – March 3, 1933 | Republican | Elected in 1922. Redistricted to the . | ||||
| data-sort-value="March 4, 1933" | March 4, 1933 – January 3, 1935 | Redistricted from the and re-elected in 1932. Lost re-election to Gehrmann. | ||||||
| align=left data-sort-value="Petri Tom" | Tom Petri | data-sort-value="April 3, 1979" | April 3, 1979 – January 3, 2015 | Republican | Elected to finish Steiger's term. Retired. | |||
| align=left data-sort-value="Pocan Mark" | Mark Pocan | data-sort-value="January 3, 2013" | January 3, 2013 – present | Democratic | Elected in 2012. Incumbent. | |||
| align=left data-sort-value="Potter John F." | John F. Potter | data-sort-value="March 4, 1857" | March 4, 1857 – March 3, 1863 | Republican | Elected in 1856. Lost re-election to J. Brown. | |||
| align=left data-sort-value="Pound Thaddeus C." | Thaddeus C. Pound | data-sort-value="March 4, 1877" | March 4, 1877 – March 3, 1883 | Republican | Elected in 1876. Retired. | |||
| align=left data-sort-value="Price Hugh H." | Hugh H. Price | data-sort-value="January 18, 1887" | January 18, 1887 – March 3, 1887 | Republican | Elected to finish his father's term. Retired. | |||
| align=left data-sort-value="Price William T." | William T. Price | data-sort-value="March 4, 1883" | March 4, 1883 – December 6, 1886 | Republican | Elected in 1882. Died. | |||
| align=left data-sort-value="Race John Abner" | John Abner Race | data-sort-value="January 3, 1965" | January 3, 1965 – January 3, 1967 | Democratic | Elected in 1964. Lost re-election to Steiger. | |||
| align=left data-sort-value="Randall Clifford E." | Clifford E. Randall | data-sort-value="March 4, 1919" | March 4, 1919 – March 3, 1921 | Republican | Elected in 1918. Lost renomination to Cooper. | |||
| align=left data-sort-value="Rankin Joseph" | Joseph Rankin | data-sort-value="March 4, 1883" | March 4, 1883 – January 24, 1886 | Democratic | Elected in 1882. Died. | |||
| Michael K. Reilly | data-sort-value="March 4, 1913" | March 4, 1913 – March 3, 1917 | Democratic | Elected in 1912. Lost re-election to Davidson. | ||||
| data-sort-value="November 4, 1930" | November 4, 1930 – January 3, 1939 | Elected to finish Lampert's term. Lost re-election to Keefe. | ||||||
| align=left data-sort-value="Reuss Henry S." | Henry S. Reuss | data-sort-value="January 3, 1955" | January 3, 1955 – January 3, 1983 | Democratic | Elected in 1954. Retired. | |||
| align=left data-sort-value="Ribble Reid" | Reid Ribble | data-sort-value="January 3, 2011" | January 3, 2011 – January 3, 2017 | Republican | Elected in 2010. Retired. | |||
| align=left data-sort-value="Roth Toby" | Toby Roth | data-sort-value="January 3, 1979" | January 3, 1979 – January 3, 1997 | Republican | Elected in 1978. Retired. | |||
| Jeremiah McLain Rusk | data-sort-value="March 4, 1871" | March 4, 1871 – March 3, 1873 | Republican | Elected in 1870. Redistricted to the . | ||||
| data-sort-value="March 4, 1873" | March 4, 1873 – March 3, 1877 | Redistricted from the and re-elected in 1872. Retired. | ||||||
| align=left data-sort-value="Ryan Paul" | Paul Ryan | data-sort-value="January 3, 1999" | January 3, 1999 – January 3, 2019 | Republican | Elected in 1998. Retired. | |||
| align=left data-sort-value="Sauerhering Edward" | Edward Sauerhering | data-sort-value="March 4, 1895" | March 4, 1895 – March 3, 1899 | Republican | Elected in 1894. Retired. | |||
| Harry Sauthoff | data-sort-value="January 3, 1935" | January 3, 1935 – January 3, 1939 | Progressive | Elected in 1934. Lost re-election to Hawks. | ||||
| data-sort-value="January 3, 1941" | January 3, 1941 – January 3, 1945 | Elected in 1940. Lost re-election to Henry. | ||||||
| Philetus Sawyer | data-sort-value="March 4, 1865" | March 4, 1865 – March 3, 1873 | Republican | Elected in 1864. Redistricted to the . | ||||
| data-sort-value="March 4, 1873" | March 4, 1873 – March 3, 1875 | Redistricted from the and re-elected in 1872. Retired. | ||||||
| Henry C. Schadeberg | data-sort-value="January 3, 1961" | January 3, 1961 – January 3, 1965 | Republican | Elected in 1960. Lost re-election to Stalbaum. | ||||
| data-sort-value="January 3, 1967" | January 3, 1967 – January 3, 1971 | Elected in 1966. Lost re-election to Aspin. | ||||||
| John C. Schafer | data-sort-value="March 4, 1923" | March 4, 1923 – March 3, 1933 | Republican | Elected in 1922. Lost re-election to Cannon. | ||||
| data-sort-value="January 3, 1939" | January 3, 1939 – January 3, 1941 | Elected in 1938. Lost re-election to Wasielewski. | ||||||
| George J. Schneider | data-sort-value="March 4, 1923" | March 4, 1923 – March 3, 1933 | Republican | Elected in 1922. Redistricted to the and lost re-election to Hughes. | ||||
| data-sort-value="January 3, 1935" | January 3, 1935 – January 3, 1939 | Progressive | Elected in 1934. Lost re-election to Johns. | |||||
| Jim Sensenbrenner | data-sort-value="January 3, 1979" | January 3, 1979 – January 3, 2003 | Republican | Elected in 1978. Redistricted to the . | ||||
| data-sort-value="January 3, 2003" | January 3, 2003 – January 3, 2021 | Redistricted from the and re-elected in 2002. Retired. | ||||||
| align=left data-sort-value="Shaw George B." | George B. Shaw | data-sort-value="March 4, 1893" | March 4, 1893 – August 27, 1894 | Republican | Elected in 1892. Died. | |||
| align=left data-sort-value="Sloan A. Scott" | A. Scott Sloan | data-sort-value="March 4, 1861" | March 4, 1861 – March 3, 1863 | Republican | Elected in 1860. Retired. | |||
| align=left data-sort-value="Sloan Ithamar" | Ithamar Sloan | data-sort-value="March 4, 1863" | March 4, 1863 – March 3, 1867 | Republican | Elected in 1862. Retired. | |||
| data-sort-value="Smith Henry" align=left | Henry Smith | data-sort-value="March 4, 1887" | March 4, 1887 – March 3, 1889 | Laborite | Elected in 1886. Lost re-election to Van Schaick. | |||
| align=left data-sort-value="Smith Lawrence H." | Lawrence H. Smith | data-sort-value="August 29, 1941" | August 29, 1941 – January 22, 1958 | Republican | Elected to finish Bolles's term. Died. | |||
| align=left data-sort-value="Somers Peter J." | Peter J. Somers | data-sort-value="August 27, 1893" | August 27, 1893 – March 3, 1895 | Democratic | Elected to finish Mitchell's term. Retired. | |||
| William H. Stafford | data-sort-value="March 4, 1903" | March 4, 1903 – March 3, 1911 | Republican | Elected in 1902. Lost renomination. | ||||
| data-sort-value="March 4, 1913" | March 4, 1913 – March 3, 1919 | Elected in 1912. Lost re-election to Berger. | ||||||
| data-sort-value="March 4, 1921" | March 4, 1921 – March 3, 1923 | Elected in 1920. Lost re-election to Berger | ||||||
| data-sort-value="March 4, 1929" | March 4, 1929 – March 3, 1933 | Elected in 1928. Lost renomination to Joseph A. Padway. | ||||||
| align=left data-sort-value="Stalbaum Lynn E." | Lynn E. Stalbaum | data-sort-value="January 3, 1965" | January 3, 1965 – January 3, 1967 | Democratic | Elected in 1964. Lost re-election to Schadeberg. | |||
| align=left data-sort-value="Steiger William A." | William A. Steiger | data-sort-value="January 3, 1967" | January 3, 1967 – December 4, 1978 | Republican | Elected in 1966. Re-elected but died before next term began. | |||
| align=left data-sort-value="Steil Bryan" | Bryan Steil | data-sort-value="January 3, 2019" | January 3, 2019 – present | Republican | Elected in 2018. Incumbent. | |||
| align=left data-sort-value="Stephenson Isaac" | Isaac Stephenson | data-sort-value="March 4, 1883" | March 4, 1883 – March 3, 1889 | Republican | Elected in 1882. Retired. | |||
| align=left data-sort-value="Stevenson William H." | William H. Stevenson | data-sort-value="January 3, 1941" | January 3, 1941 – January 3, 1949 | Republican | Elected in 1940. Lost renomination to Withrow. | |||
| data-sort-value="Stewart Alexander" align=left | Alexander Stewart | data-sort-value="March 4, 1895" | March 4, 1895 – March 3, 1901 | Republican | Elected in 1894. Retired. | |||
| align=left data-sort-value="Sumner Daniel H." | Daniel H. Sumner | data-sort-value="March 4, 1883" | March 4, 1883 – March 3, 1885 | Democratic | Elected in 1882. Retired. | |||
| align=left data-sort-value="Tewes Donald Edgar" | Donald Edgar Tewes | data-sort-value="January 3, 1957" | January 3, 1957 – January 3, 1959 | Republican | Elected in 1956. Lost re-election to Kastenmeier. | |||
| align=left data-sort-value="Thill Lewis D." | Lewis D. Thill | data-sort-value="January 3, 1939" | January 3, 1939 – January 3, 1943 | Republican | Elected in 1938. Lost re-election to McMurray. | |||
| align=left data-sort-value="Thomas Ormsby B." | Ormsby B. Thomas | data-sort-value="March 4, 1885" | March 4, 1885 – March 3, 1891 | Republican | Elected in 1884. Lost re-election to Coburn. | |||
| align=left data-sort-value="Thomson Vernon Wallace" | Vernon Wallace Thomson | data-sort-value="January 3, 1961" | January 3, 1961 – December 31, 1974 | Republican | Elected in 1960. Lost re-election to Baldus and resigned early. | |||
| align=left data-sort-value="Pelt William Van" | William Van Pelt | data-sort-value="January 3, 1951" | January 3, 1951 – January 3, 1965 | Republican | Elected in 1950. Lost re-election to Race. | |||
| Isaac W. Van Schaick | data-sort-value="March 4, 1885" | March 4, 1885 – March 3, 1887 | Republican | Elected in 1884. Retired. | ||||
| data-sort-value="March 4, 1889" | March 4, 1889 – March 3, 1891 | Elected in 1888. Retired to run for state senator. | ||||||
| align=left data-sort-value="Tiffany Tom" | Tom Tiffany | data-sort-value="May 12, 2020" | May 12, 2020 – present | Republican | Elected to finish Duffy's term. Incumbent. | |||
| align=left data-sort-value="Van Orden Derrick" | Derrick Van Orden | data-sort-value="January 3, 2023" | January 3, 2023 – present | Republican | Elected in 2022. Incumbent. | |||
| align=left data-sort-value="Voigt Edward" | Edward Voigt | data-sort-value="March 4, 1917" | March 4, 1917 – March 3, 1927 | Republican | Elected in 1916. Retired. | |||
| Cadwallader C. Washburn | data-sort-value="March 4, 1855" | March 4, 1855 – March 3, 1861 | Republican | Elected in 1854. Retired. | ||||
| data-sort-value="March 4, 1867" | March 4, 1867 – March 3, 1871 | Elected in 1866. Retired. | ||||||
| align=left data-sort-value="Wasielewski Thaddeus" | Thad F. Wasielewski | data-sort-value="January 3, 1941" | January 3, 1941 – January 3, 1947 | Democratic | Elected in 1940. Lost renomination to Edmund V. Bobrowicz and lost re-election as an independent. | |||
| align=left data-sort-value="Weisse Charles H." | Charles H. Weisse | data-sort-value="March 4, 1903" | March 4, 1903 – March 3, 1911 | Democratic | Elected in 1902. Retired. | |||
| align=left data-sort-value="Wells Daniel Jr." | Daniel Wells Jr. | data-sort-value="March 4, 1853" | March 4, 1853 – March 3, 1857 | Democratic | Elected in 1852. Retired. | |||
| align=left data-sort-value="Wells Owen A." | Owen A. Wells | data-sort-value="March 4, 1893" | March 4, 1893 – March 3, 1895 | Democratic | Elected in 1892. Lost re-election to Cook. | |||
| align=left data-sort-value="Wheeler Ezra" | Ezra Wheeler | data-sort-value="March 4, 1863" | March 4, 1863 – March 3, 1865 | Democratic | Elected in 1862. Retired. | |||
| align=left data-sort-value="Wied Tony" | Tony Wied | data-sort-value="November 5, 2024" | November 5, 2024 – present | Republican | Elected to finish Gallagher's term. Incumbent. | |||
| align=left data-sort-value="Williams Charles G." | Charles G. Williams | data-sort-value="March 4, 1873" | March 4, 1873 – March 3, 1883 | Republican | Elected in 1872. Lost re-election to Winans. | |||
| align=left data-sort-value="Winans John" | John Winans | data-sort-value="March 4, 1883" | March 4, 1883 – March 3, 1885 | Democratic | Elected in 1882. Retired to run for mayor of Janesville. | |||
| Gardner R. Withrow | data-sort-value="March 4, 1931" | March 4, 1931 – March 3, 1933 | Republican | Elected in 1930. Redistricted to the . | ||||
| data-sort-value="March 4, 1933" | March 4, 1933 – January 3, 1935 | Redistricted from the and re-elected in 1932. Switched parties. | ||||||
| data-sort-value="January 3, 1935" | January 3, 1935 – January 3, 1939 | Progressive | Re-elected in 1934 as a Progressive. Lost re-election to Griswold. | |||||
| data-sort-value="January 3, 1949" | January 3, 1949 – January 3, 1961 | Republican | Elected in 1948. Retired. | |||||
| align=left data-sort-value="Woodward Gilbert M." | Gilbert M. Woodward | data-sort-value="March 4, 1883" | March 4, 1883 – March 3, 1885 | Democratic | Elected in 1882. Lost re-election to Thomas. | |||
| align=left data-sort-value="Zablocki Clement J." | Clement J. Zablocki | data-sort-value="January 3, 1949" | January 3, 1949 – December 3, 1983 | Democratic | Elected in 1948. Died. |