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_ |
|---|---|---|---|---|
| Martin Kinsley | 1819–1821 | Massachusetts | Democratic-Republican | 1754–1835 |
| J. Roland Kinzer | 1930–1947 | Pennsylvania | Republican | 1874–1955 |
| George Washington Kipp | 1907–1909 , 1911 | Pennsylvania | Democratic | 1847–1911 |
| Andrew Jackson Kirk | 1926–1927 | Kentucky | Republican | 1866–1933 |
| Mark Kirk | 2001–2010 | Illinois | Republican | 1959– |
| Ann Kirkpatrick | 2009–2011 | Arizona | Democratic | 1950– |
| Joseph Kirkland | 1821–1823 | New York | Federalist | 1770–1844 |
| Littleton Kirkpatrick | 1843–1845 | New Jersey | Democratic | 1797–1859 |
| Sanford Kirkpatrick | 1913–1915 | Iowa | Democratic | 1842–1932 |
| Snyder S. Kirkpatrick | 1895–1897 | Kansas | Republican | 1848–1909 |
| William Kirkpatrick | 1807–1809 | New York | Democratic-Republican | 1769–1832 |
| William Huntington Kirkpatrick | 1921–1923 | Pennsylvania | Republican | 1885–1970 |
| William Sebring Kirkpatrick | 1897–1899 | Pennsylvania | Republican | 1844–1932 |
| Dorrance Kirtland | 1817–1819 | New York | Democratic-Republican | 1770–1840 |
| Michael J. Kirwan | 1937–1970 | Ohio | Democratic | 1886–1970 |