This is a list of the Wardens and Chairs of the Regional Municipality of Peel, Ontario an administrative area located west of Toronto.
| Year | Warden/Chair | Representing | Notes | |
|---|---|---|---|---|
| 1867 | John Barnhardt | |||
| 1868-1870 | Kenneth Chisholm | |||
| 1871-1872 | Thomas Bowles | |||
| 1873-1874 | Robert Cotton | |||
| 1875 | William Porter | |||
| 1876 | Henry Bracken | |||
| 1877-1878 | ||||
| 1879 | Richard Hewson | |||
| 1880 | Alexander McLaren | |||
| 1881 | Thomas Swinarton | |||
| 1882 | J. P. Hutton | |||
| 1883 | M. W. Cook | |||
| 1884 | William Porter | |||
| 1885 | W. A. McCulla | |||
| 1886 | Alexander Cunnington | |||
| 1887 | George Atkinson | |||
| 1888 | H. H. Bolton | |||
| 1889 | William Andrew | |||
| 1890 | W. R. Wright | |||
| 1891 | Walter Watson | |||
| 1892 | John Groat | |||
| 1893 | Richard Blain | |||
| 1894 | Thomas Hanna | |||
| 1895 | R. B. Henry | |||
| 1896 | Henry Shook | |||
| 1897 | John Graydon | |||
| 1898 | Reuben S. Lightheart | |||
| 1899 | Thomas D. Norval | |||
| 1900 | ||||
| 1901 | William G. Lyons | |||
| 1902 | G. R. Anderson | |||
| 1903 | S. A. Egan | |||
| 1904 | James Jackson | |||
| 1905 | Edward J Ellis | |||
| 1906 | George T. Ward | |||
| 1907 | C. A. Irvine | |||
| 1908 | T. I. Bowie | |||
| 1909 | F. J. Jackson | |||
| 1910 | Peter Speirs | |||
| 1911 | John A. McBride | |||
| 1912 | John S. Beck | |||
| 1913 | John H. Moffat | |||
| 1914 | William Rutledge | |||
| 1915 | J. J. Porter | |||
| 1916 | Guy Bell | |||
| 1917 | William J. Limebeer | |||
| 1918 | D. H. McCaugherty | |||
| 1919 | E. A. Walshaw | |||
| 1920 | W. D. Bowles | |||
| 1921 | R. M. Parkinson | |||
| 1922 | E. A. Orr | |||
| 1923 | O. R. Church | |||
| 1924 | T. H. Elliott | |||
| 1925 | L. H. Pallett | |||
| 1926 | W. N. Riddell | |||
| 1927 | W. J. Beatty | |||
| 1928 | N. S. Lindsay | |||
| 1929 | John J. Jamieson | |||
| 1930 | H. C. Thompson | |||
| 1931 | John Willis | |||
| 1932 | Robert Smith | |||
| 1933 | Ernie McCulloch | |||
| 1934 | O. H. Downey | |||
| 1935 | William Hostrawser | |||
| 1936 | William G. Denison | |||
| 1937 | D. W. Moran | |||
| 1938 | G. F. Skinner | |||
| 1939 | W. A. Bates | |||
| 1940 | A. D. McBride | |||
| 1941 | E. D. Maguire | |||
| 1942 | A. E. Sherman | |||
| 1943 | C. E. Cantelon | |||
| 1944 | John G. Hooper | |||
| 1945 | Cecil Gott | |||
| 1946 | H. R. Lawrence | |||
| 1947 | J. W. Davis | |||
| 1948 | J. M. Fraser | |||
| 1949 | Dr. M. M. Fletcher | |||
| 1950 | D. S. Dunton | |||
| 1951 | O. J. Hardwick | |||
| 1951 | J. A. McLaughlin | |||
| 1951 | G. H. Montemurro | |||
| 1951 | G. F. Skinner | |||
| 1952 | J. E. Patterson | |||
| 1953 | J. S. Scott | |||
| 1954 | J. C. Saddington | |||
| 1955 | N. J. Black | |||
| 1956 | W. C. Arch | |||
| 1957 | C. C. Core | |||
| 1958 | Cyril Clark | |||
| 1959 | Mary Fix | |||
| 1960 | Wilton E. Downey | |||
| 1961 | Roderick Johnston | |||
| 1962 | T. W. Glassford | |||
| 1963 | ||||
| 1964 | C. F. Kline | |||
| 1965 | T. E. McCollum | |||
| 1966 | J. J. Graham | |||
| 1967 | Cyril Clark | |||
| 1968 | E. W. Martin | |||
| 1969 | Nance Horwood | |||
| 1970 | J. I. McMullin | |||
| 1971-1972 | Lou H. Parsons | |||
| 1973 | J. Ivor McMullin | |||
| 1974-1979 | Lou Parsons | Region of Peel | ||
| 1979-1991 | Frank Bean | Region of Peel | ||
| 1991-2014 | Emil Kolb | Region of Peel | ||
| 2015-2018 | Frank Dale | Region of Peel | ||
| 2018- | Nando Iannicca | Region of Peel | [1] |