| Jacob Falconer | |
| Image Name: | JacobFalconer.jpg |
| Birth Name: | Jacob Alexander Falconer |
| Birth Date: | 26 January 1869 |
| Birth Place: | Ontario, Canada |
| Death Place: | Wingdale, New York |
| State: | Washington |
| Term: | March 4, 1913 – March 3, 1915 |
| Preceded: | Constituency established |
| Succeeded: | Constituency abolished |
| Office1: | 10th Speaker of the Washington House of Representatives |
| Term Start1: | January 14, 1907 |
| Term End1: | January 11, 1909 |
| Predecessor1: | Joseph George Megler |
| Successor1: | Leo O. Meigs |
| State Senate2: | Washington |
| District2: | 38th |
| Term Start2: | January 11, 1909 |
| Term End2: | January 13, 1913 |
| Predecessor2: | T. B. Sumner |
| Successor2: | John E. Campbell |
| State House3: | Washington |
| District3: | 48th |
| Term Start3: | January 9, 1905 |
| Term End3: | January 11, 1909 |
| Predecessor3: | Herchmer Johnston |
| Successor3: | John E. Campbell |
| Office4: | 5th Mayor of Everett, Washington |
| Term Start4: | January 1, 1897 |
| Term End4: | January 1, 1899 |
| Predecessor4: | William C. Cox |
| Successor4: | James O. Whitmarsh |
| Party: | Progressive |
| Spouse: | Mabel (Thomson) Falconer (1869 - 1957) |
| Children: | Harold Falconer (1897 - 1980) Robert Falconer (1903 - 93) Marjorie Falconer (1907 - 09) |
| Alma Mater: | Beloit (WI) Academy, 1890 Beloit College (attended) |
| Profession: | Lumber, Construction, Oil |
| Resting Place: | Saugatuck Cemetery, Saugatuck, Michigan. |
Jacob Alexander Falconer (January 26, 1869 – July 1, 1928) was a one-term congressman from the state of Washington, elected at-large in 1912.
Born in Ontario, Canada, Falconer moved with his parents to Saugatuck, Michigan, in 1873.He attended the public schools, and moved to Washburn, Wisconsin Falconer graduated from Beloit (Wisconsin) Academy in 1890 and later took college work at Beloit College.
He moved west in 1894 to Everett, Washington, and was in the lumber business and served as mayor of Everett in 1897 and 1898. Falconer was member of the state legislature (1904–1908), and was speaker of the house during the 1907 session. He served as member of the state senate from 1909 to 1912.
Falconer ran for Congress in one of two new at-large seats Progressive in 1912, as Washington's congressional apportionment grew from three to five seats following the 1910 census. He was elected to the Sixty-third Congress and served for one term (March 4, 1913 – March 3, 1915), and was an unsuccessful candidate for the nomination for U.S. Senator on the Progressive ticket in 1914. The nomination went to Ole Hanson, who finished third in a five-man general election and was elected mayor of Seattle in 1918.
After leaving Washington, D.C., Falconer remained on the East Coast and worked in the ship-brokerage business in New York City from 1915 to 1919. He then moved to Fort Worth, Texas, in 1919 and engaged in road-construction contracting, then to Farmington, New Mexico, in 1925 and was in the oil and gas industry. Falconer died in Wingdale, New York, on July 1, 1928, and was interred in Saugatuck Cemetery in Saugatuck, Michigan.