List of former members of the United States House of Representatives (K) Number of years/terms representative/delegate has served Number of years/terms representative/delegate has served

| Representative | Years | State_ | Party | Lifespan_ |
|---|---|---|---|---|
| James Kee | 1965–1973 | West Virginia | Democratic | 1917–1989 |
| John Kee | 1933–1951 | West Virginia | Democratic | 1874–1951 |
| Frank Bateman Keefe | 1939–1951 | Wisconsin | Republican | 1887–1952 |
| Russell W. Keeney | 1957–1958 | Illinois | Republican | 1897–1958 |
| Richard Keese | 1827–1829 | New York | Democratic | 1794–1883 |
| Estes Kefauver | 1939–1949 | Tennessee | Democratic | 1903–1963 |
| James Nicholas Kehoe | 1901–1905 | Kentucky | Democratic | 1862–1945 |
| Walter Kehoe | 1917–1919 | Florida | Democratic | 1870–1938 |
| Edward C. Kehr | 1875–1877 | Missouri | Democratic | 1837–1918 |
| J. Warren Keifer | 1877–1885 , 1905–1911 | Ohio | Republican | 1836–1932 |
| Edwin W. Keightley | 1877–1879 | Michigan | Republican | 1843–1926 |
| George May Keim | 1838–1843 | Pennsylvania | Democratic | 1805–1861 |
| William High Keim | 1858–1859 | Pennsylvania | Republican | 1813–1862 |
| Abraham Lincoln Keister | 1913–1917 | Pennsylvania | Republican | 1852–1917 |
| Hastings Keith | 1959–1973 | Massachusetts | Republican | 1915–2005 |