# List of former members of the United States House of Representatives (L)

This is a complete list of former members of the United States House of Representatives whose last names begin with the letter L.

## Number of years/terms representative/delegate has served

The number of years the representative/delegate has served in Congress indicates the number of terms the representative/delegate has. Note the representative/delegate can also serve non-consecutive terms if the representative/delegate loses election and wins re-election to the House.
* 2 years – 1 or 2 terms
* 4 years – 2 or 3 terms
* 6 years – 3 or 4 terms
* 8 years – 4 or 5 terms
* 10 years – 5 or 6 terms
* 12 years – 6 or 7 terms
* 14 years – 7 or 8 terms
* 16 years – 8 or 9 terms
* 18 years – 9 or 10 terms
* 20 years – 10 or 11 terms
* 22 years – 11 or 12 terms
* 24 years – 12 or 13 terms
* 26 years – 13 or 14 terms
* 28 years – 14 or 15 terms
* 30 years – 15 or 16 terms
* 32 years – 16 or 17 terms
* 34 years – 17 or 18 terms
* 36 years – 18 or 19 terms
* 38 years – 19 or 20 terms
* 40 years – 20 or 21 terms
* 42 years – 21 or 22 terms
* 44 years – 22 or 23 terms
* 46 years – 23 or 24 terms
* 48 years – 24 or 25 terms
* 50 years – 25 or 26 terms
* 52 years – 26 or 27 terms
* 54 years – 27 or 28 terms
* 56 years – 28 or 29 terms
* 58 years – 29 or 30 terms
| Representative/Delegate | Years | State/Territory | Party | Lifespan |
| Claude L'Engle | 1913–1915 | Florida | Democratic | 1868–1919 |
| Alcée Louis la Branche | 1843–1845 | Louisiana | Democratic | 1806–1861 |
| George A. La Dow | 1875 | Oregon | Democratic | 1826–1875 |
| Charles M. La Follette | 1943–1947 | Indiana | Republican | 1898–1974 |
| Robert M. La Follette | 1885–1891 | Wisconsin | Republican | 1855–1925 |
| William La Follette | 1911–1919 | Washington | Republican | 1860–1934 |
| Fiorello La Guardia | 1917–1919 1923–1925 | New York | Republican | 1882–1947 |
| Fiorello La Guardia | 1925–1927 | New York | American Laborite | 1882–1947 |
| Fiorello La Guardia | 1927–1933 | New York | Republican | 1882–1947 |
| Emile La Sére | 1846–1851 | Louisiana | Democratic | 1802–1882 |
| Raúl Labrador | 2011–2019 | Idaho | Republican | 1967–present |
| Edward S. Lacey | 1881–1885 | Michigan | Republican | 1835–1916 |
| John F. Lacey | 1889–1891 1893–1907 | Iowa | Republican | 1841–1913 |
| Abner Lacock | 1811–1813 | Pennsylvania | Democratic-Republican | 1770–1837 |
| George W. Ladd | 1879–1883 | Maine | Greenbacker | 1818–1892 |
| John LaFalce | 1975–2003 | New York | Democratic | 1939–present |
| Daniel F. Lafean | 1903–1913 1915–1917 | Pennsylvania | Republican | 1861–1922 |
| Walter Lafferty | 1911–1915 | Oregon | Republican | 1875–1964 |
| Polk Laffoon | 1885–1889 | Kentucky | Democratic | 1844–1906 |
| Addison H. Laflin | 1865–1871 | New York | Republican | 1823–1878 |
| John A. Lafore Jr. | 1957–1961 | Pennsylvania | Republican | 1905–1993 |
| Matthew D. Lagan | 1887–1889 1891–1893 | Louisiana | Democratic | 1829–1901 |
| Robert Lagomarsino | 1974–1993 | California | Republican | 1926–2021 |
| Samuel Lahm | 1847–1849 | Ohio | Democratic | 1812–1876 |
| Ray LaHood | 1995–2009 | Illinois | Republican | 1945–present |
| William G. Laidlaw | 1887–1891 | New York | Republican | 1840–1908 |
| James Laird | 1883–1889 | Nebraska | Republican | 1849–1889 |
| Melvin Laird | 1953–1969 | Wisconsin | Republican | 1922–2016 |
| William A. Lake | 1855–1857 | Mississippi | American | 1808–1861 |
| Henry G. Lamar | 1829–1833 | Georgia | Democratic | 1798–1861 |
| J. Robert Lamar | 1903–1905 1907–1909 | Missouri | Democratic | 1866–1923 |
| John B. Lamar | 1843 | Georgia | Democratic | 1812–1862 |
| Lucius Qunitus Cincinnatus Lamar | 1857–1860 1873–1877 | Mississippi | Democratic | 1825–1893 |
| William Bailey Lamar | 1903–1909 | Florida | Democratic | 1853–1928 |
| Alfred William Lamb | 1853–1855 | Missouri | Democratic | 1824–1888 |
| Conor Lamb | 2018–2023 | Pennsylvania | Democratic | 1984–present |
| John Lamb | 1897–1913 | Virginia | Democratic | 1840–1924 |
| John E. Lamb | 1883–1885 | Indiana | Democratic | 1852–1914 |
| John Lambert | 1805–1809 | New Jersey | Democratic-Republican | 1746–1823 |
| William P. Lambertson | 1929–1945 | Kansas | Republican | 1880–1957 |
| Walter Lambeth | 1931–1939 | North Carolina | Democratic | 1896–1961 |
| Doug Lamborn | 2007–2025 | Colorado | Republican | 1954–present |
| Charles N. Lamison | 1871–1875 | Ohio | Democratic | 1826–1896 |
| Arthur P. Lamneck | 1931–1939 | Ohio | Democratic | 1880–1944 |
| Florian Lampert | 1918–1930 | Wisconsin | Republican | 1863–1930 |
| William H. Lamport | 1871–1875 | New York | Republican | 1811–1891 |
| Nick Lampson | 1997–2005 2007–2009 | Texas | Democratic | 1945–present |
| Columbia Lancaster | 1854–1855 | Washington | Democratic | 1803–1893 |
| Martin Lancaster | 1987–1995 | North Carolina | Democratic | 1943–present |
| Leonard Lance | 2009–2019 | New Jersey | Republican | 1952–present |
| Franklin Landers | 1875–1877 | Indiana | Democratic | 1825–1901 |
| George M. Landers | 1875–1879 | Connecticut | Democratic | 1813–1895 |
| Silas Z. Landes | 1885–1889 | Illinois | Democratic | 1842–1910 |
| Earl Landgrebe | 1969–1975 | Indiana | Republican | 1916–1986 |
| Charles B. Landis | 1897–1909 | Indiana | Republican | 1858–1922 |
| Frederick Landis | 1903–1907 | Indiana | Republican | 1872–1934 |
| Gerald W. Landis | 1939–1949 | Indiana | Republican | 1895–1971 |
| John M. Landrum | 1859–1861 | Louisiana | Democratic | 1815–1861 |
| Phillip M. Landrum | 1953–1977 | Georgia | Democratic | 1907–1990 |
| Jeff Landry | 2011–2013 | Louisiana | Republican | 1970–present |
| Joseph Aristide Landry | 1851–1853 | Louisiana | Whig | 1817–1881 |
| James Landy | 1857–1859 | Pennsylvania | Democratic | 1813–1875 |
| Amos Lane | 1833–1837 | Indiana | Democratic | 1778–1849 |
| Edward Lane | 1887–1895 | Illinois | Democratic | 1842–1912 |
| Henry S. Lane | 1840–1843 | Indiana | Whig | 1811–1881 |
| Jim Lane | 1853–1855 | Indiana | Democratic | 1814–1866 |
| Joseph Lane | 1851–1859 | Oregon | Democratic | 1801–1881 |
| Joseph R. Lane | 1899–1901 | Iowa | Republican | 1858–1931 |
| Lafayette Lane | 1875–1877 | Oregon | Democratic | 1842–1896 |
| Thomas J. Lane | 1941–1963 | Massachusetts | Democratic | 1898–1994 |
| Chauncey Langdon | 1815–1817 | Vermont | Federalist | 1763–1830 |
| Odin Langen | 1959–1971 | Minnesota | Republican | 1913–1976 |
| James Langevin | 2001–2023 | Rhode Island | Democratic | 1964–present |
| J. N. Langham | 1909–1915 | Pennsylvania | Republican | 1861–1945 |
| John W. Langley | 1907–1926 | Kentucky | Republican | 1868–1932 |
| Katherine G. Langley | 1927–1931 | Kentucky | Republican | 1888–1948 |
| John Mercer Langston | 1890–1891 | Virginia | Republican | 1829–1897 |
| Fritz G. Lanham | 1919–1947 | Texas | Democratic | 1880–1965 |
| Henderson L. Lanham | 1947–1957 | Georgia | Democratic | 1888–1957 |
| S. W. T. Lanham | 1883–1893 1897–1903 | Texas | Democratic | 1846–1908 |
| J. Ford Laning | 1907–1909 | Ohio | Republican | 1853–1941 |
| James Lankford | 2011–2015 | Oklahoma | Republican | 1968–present |
| Menalcus Lankford | 1929–1933 | Virginia | Republican | 1883–1937 |
| Richard Lankford | 1955–1965 | Maryland | Democratic | 1914–2003 |
| William C. Lankford | 1919–1933 | Georgia | Democratic | 1877–1964 |
| William M. Lanning | 1903–1904 | New Jersey | Republican | 1849–1912 |
| Frederick Lansing | 1889–1891 | New York | Republican | 1838–1894 |
| Gerrit Y. Lansing | 1831–1837 | New York | Democratic | 1783–1862 |
| William E. Lansing | 1861–1863 1871–1875 | New York | Republican | 1821–1883 |
| William C. Lantaff | 1951–1955 | Florida | Democratic | 1913–1970 |
| Tom Lantos | 1981–2008 | California | Democratic | 1928–2008 |
| James J. Lanzetta | 1933–1935 1937–1939 | New York | Democratic | 1894–1956 |
| Elbridge G. Lapham | 1875–1881 | New York | Republican | 1814–1890 |
| Oscar Lapham | 1891–1895 | Rhode Island | Democratic | 1837–1926 |
| John Laporte | 1833–1837 | Pennsylvania | Democratic | 1798–1862 |
| Henry D. Larcade Jr. | 1943–1953 | Louisiana | Democratic | 1890–1966 |
| Steve Largent | 1994–2002 | Oklahoma | Republican | 1954–present |
| Simon Larned | 1804–1805 | Massachusetts | Democratic-Republican | 1753–1817 |
| Larry LaRocco | 1991–1995 | Idaho | Democratic | 1946–present |
| Charles H. Larrabee | 1859–1861 | Wisconsin | Democratic | 1820–1883 |
| William Larrabee | 1931–1943 | Indiana | Democratic | 1870–1960 |
| Tulio Larrínaga | 1905–1911 | Puerto Rico | Union | 1847–1917 |
| William Washington Larsen | 1917–1933 | Georgia | Democratic | 1871–1938 |
| Oscar Larson | 1921–1925 | Minnesota | Republican | 1871–1957 |
| Israel G. Lash | 1868–1871 | North Carolina | Republican | 1810–1878 |
| Francis R. Lassiter | 1900–1903 1907–1909 | Virginia | Democratic | 1866–1909 |
| George R. Latham | 1865–1867 | West Virginia | Unconditional Unionist | 1832–1917 |
| Henry J. Latham | 1945–1958 | New York | Republican | 1908–2002 |
| Louis C. Latham | 1881–1883 1887–1889 | North Carolina | Democratic | 1840–1895 |
| Milton Latham | 1853–1855 | California | Democratic | 1827–1882 |
| Tom Latham | 1995–2015 | Iowa | Republican | 1948–present |
| Samuel Lathrop | 1819–1825 | Massachusetts | Federalist | 1772–1846 |
| Samuel Lathrop | 1825–1827 | Massachusetts | National Republican | 1772–1846 |
| William Lathrop | 1877–1879 | Illinois | Republican | 1825–1907 |
| Asbury Latimer | 1893–1903 | South Carolina | Democratic | 1851–1908 |
| Henry Latimer | 1794–1795 | Delaware | Federalist | 1752–1819 |
| Steve LaTourette | 1995–2013 | Ohio | Republican | 1954–2016 |
| Del Latta | 1959–1989 | Ohio | Republican | 1920–2016 |
| James P. Latta | 1909–1911 | Nebraska | Democratic | 1844–1911 |
| William Lattimore | 1803–1807 1813–1817 | Mississippi | None | 1774–1843 |
| Jake LaTurner | 2021–2025 | Kansas | Republican | 1988–present |
| Greg Laughlin | 1989–1995 | Texas | Democratic | 1942–present |
| Greg Laughlin | 1995–1997 | Texas | Republican | 1942–present |
| John Laurance | 1789–1793 | New York | Pro-Administration | 1750–1810 |
| Charles B. Law | 1905-1911 | New York | Republican | 1872–1929 |
| John Law | 1861-1865 | Indiana | Democratic | 1796–1873 |
| Lyman Law | 1811-1817 | Connecticut | Federalist | 1770–1842 |
| Frank Lawler | 1885–1891 | Illinois | Democratic | 1842–1896 |
| Joab Lawler | 1835–1837 | Alabama | Democratic | 1796–1838 |
| Joab Lawler | 1837–1838 | Alabama | Whig | 1796–1838 |
| Abbott Lawrence | 1835–1837 | Massachusetts | National Republican | 1792–1855 |
| Abbott Lawrence | 1839–1840 | Massachusetts | Whig | 1792–1855 |
| Brenda Lawrence | 2015–2023 | Michigan | Democratic | 1954–present |
| Cornelius Lawrence | 1833–1834 | New York | Democratic | 1791–1861 |
| Effingham Lawrence | 1875 | Louisiana | Democratic | 1820–1878 |
| George P. Lawrence | 1897–1913 | Massachusetts | Republican | 1859–1917 |
| George V.E. Lawrence | 1865–1869 1883–1885 | Pennsylvania | Republican | 1818–1904 |
| Henry F. Lawrence | 1921–1923 | Missouri | Republican | 1868–1950 |
| John W. Lawrence | 1845–1847 | New York | Democratic | 1800–1888 |
| Joseph Lawrence | 1825–1829 | Pennsylvania | National Republican | 1786–1842 |
| Joseph Lawrence | 1841–1842 | Pennsylvania | Whig | 1786–1842 |
| Samuel Lawrence | 1823–1825 | New York | Democratic-Republican | 1773–1837 |
| Sidney Lawrence | 1847–1849 | New York | Democratic | 1801–1892 |
| William Lawrence | 1857–1859 | Ohio | Democratic | 1814–1895 |
| William Lawrence | 1865–1871 1873–1877 | Ohio | Republican | 1819–1899 |
| William T. Lawrence | 1847–1849 | New York | Whig | 1788–1859 |
| Gilbert L. Laws | 1889–1891 | Nebraska | Republican | 1838–1907 |
| Al Lawson | 2017–2023 | Florida | Democratic | 1948–present |
| John D. Lawson | 1873–1875 | New York | Republican | 1816–1896 |
| John W. Lawson | 1891–1893 | Virginia | Democratic | 1837–1905 |
| Thomas G. Lawson | 1891–1897 | Georgia | Democratic | 1835–1912 |
| Thomas Lawyer | 1817–1819 | New York | Democratic-Republican | 1785–1868 |
| Alfred M. Lay | 1879 | Missouri | Democratic | 1836–1879 |
| George W. Lay | 1833–1835 | New York | Anti-Masonic | 1798–1860 |
| George W. Lay | 1835–1837 | New York | National Republican | 1798–1860 |
| Caleb R. Layton | 1919–1923 | Delaware | Republican | 1851–1930 |
| Fernando C. Layton | 1891–1897 | Ohio | Democratic | 1847–1926 |
| Ladislas Lazaro | 1913–1927 | Louisiana | Democratic | 1872–1927 |
| Jesse Lazear | 1861–1865 | Pennsylvania | Democratic | 1804–1877 |
| Rick Lazio | 1993–2001 | New York | Republican | 1958–present |
| Francis Celeste Le Blond | 1863–1867 | Ohio | Democratic | 1821–1902 |
| Jacob LeFever | 1893–1897 | New York | Republican | 1830–1905 |
| Benjamin Le Fevre | 1879–1887 | Ohio | Democratic | 1838–1922 |
| Frank J. LeFevre | 1905–1907 | New York | Republican | 1874–1941 |
| Jay Le Fevre | 1943–1951 | New York | Republican | 1893–1970 |
| John V. Le Moyne | 1876–1877 | Illinois | Democratic | 1828–1918 |
| Clarence F. Lea | 1917–1949 | California | Democratic | 1874–1964 |
| Luke Lea | 1833–1835 | Tennessee | Democratic | 1783–1851 |
| Luke Lea | 1835–1837 | Tennessee | National Republican | 1783–1851 |
| Pryor Lea | 1827–1831 | Tennessee | Democratic | 1794–1879 |
| Buddy Leach | 1979–1981 | Louisiana | Democratic | 1934–2022 |
| Dewitt C. Leach | 1857–1861 | Michigan | Republican | 1822–1909 |
| James M. Leach | 1859–1861 | North Carolina | Oppositionist | 1815–1891 |
| James M. Leach | 1871–1875 | North Carolina | Democratic | 1815–1891 |
| Jim Leach | 1977–2007 | Iowa | Republican | 1942–2024 |
| Robert M. Leach | 1924–1925 | Massachusetts | Republican | 1879–1952 |
| Daniel P. Leadbetter | 1837–1841 | Ohio | Democratic | 1797–1870 |
| Eugene W. Leake | 1907–1909 | New Jersey | Democratic | 1877–1959 |
| Shelton Leake | 1845–1847 | Virginia | Democratic | 1812–1884 |
| Shelton Leake | 1859–1861 | Virginia | Independent Democrat | 1812–1884 |
| Amasa Learned | 1791–1795 | Connecticut | Pro-Administration | 1750–1825 |
| Cornelius Leary | 1861–1863 | Maryland | Unionist | 1813–1893 |
| Marvin Leath | 1979–1991 | Texas | Democratic | 1931–2000 |
| Elmer O. Leatherwood | 1921–1929 | Utah | Republican | 1872–1929 |
| Elias W. Leavenworth | 1875–1877 | New York | Republican | 1803–1887 |
| Humphrey H. Leavitt | 1830–1834 | Ohio | Democratic | 1796–1873 |
| Scott Leavitt | 1923–1933 | Montana | Republican | 1879–1966 |
| Charles H. Leavy | 1937–1942 | Washington | Democratic | 1884–1952 |
| John LeBoutillier | 1981–1983 | New York | Republican | 1953–present |
| Joseph Lecompte | 1825–1833 | Kentucky | Democratic | 1797–1851 |
| Karl M. LeCompte | 1939–1959 | Iowa | Republican | 1887–1972 |
| Raymond Lederer | 1977–1981 | Pennsylvania | Democratic | 1938–2008 |
| Raymond Lederer | 1977–1981 | Pennsylvania | Democratic | 1938–2008 |
| Barbara Lee | 1988–2025 | California | Republican | 1946–present |
| Frank H. Lee | 1933–1935 | Missouri | Democratic | 1873–1952 |
| Gary A. Lee | 1979–1983 | New York | Republican | 1933–2022 |
| Gideon Lee | 1835–1837 | New York | Democratic | 1778–1841 |
| Gordon Lee | 1905–1927 | Georgia | Democratic | 1859–1927 |
| Henry Lee | 1799–1801 | Virginia | Federalist | 1756–1818 |
| John Lee | 1823–1825 | Maryland | Federalist | 1788–1871 |
| Joshua Lee | 1835–1837 | New York | Democratic | 1783–1842 |
| Joshua B. Lee | 1935–1937 | Oklahoma | Democratic | 1892–1967 |
| M. Lindley Lee | 1859–1861 | New York | Republican | 1805–1876 |
| Richard Bland Lee | 1789–1795 | Virginia | Pro-Administration | 1761–1827 |
| Robert Emmett Lee | 1911–1915 | Pennsylvania | Democratic | 1868–1916 |
| Robert Quincy Lee | 1929–1930 | Texas | Democratic | 1869–1930 |
| Silas Lee | 1799–1801 | Massachusetts | Federalist | 1760–1814 |
| Thomas Lee | 1833–1837 | New Jersey | Democratic | 1780–1856 |
| Warren I. Lee | 1921–1923 | New York | Republican | 1876–1955 |
| W. H. F. Lee | 1887–1891 | Virginia | Democratic | 1837–1891 |
| Erica Lee Carter | 2024–2025 | Texas | Democratic | 1980–present |
| J. Russell Leech | 1927–1932 | Pennsylvania | Republican | 1888–1952 |
| John P. Leedom | 1881–1883 | Ohio | Democratic | 1847–1895 |
| Isaac Leet | 1839–1841 | Pennsylvania | Democratic | 1801–1844 |
| Joseph A. LeFante | 1977–1978 | New Jersey | Democratic | 1928–1997 |
| Joseph Lefever | 1811–1813 | Pennsylvania | Democratic-Republican | 1760–1826 |
| John Lefferts | 1813–1815 | New York | Democratic-Republican | 1785–1829 |
| Isaac Leffler | 1827–1829 | Virginia | National Republican | 1788–1866 |
| Shepherd Leffler | 1846–1851 | Iowa | Democratic | 1811–1879 |
| Jabez Leftwich | 1821–1825 | Virginia | Democratic-Republican | 1765–1855 |
| John W. Leftwich | 1866–1867 | Tennessee | Unconditional Unionist | 1826–1870 |
| Benito Legarda | 1907–1912 | Philippines | None | 1853–1915 |
| George Swinton Legaré | 1903–1913 | South Carolina | Democratic | 1869–1913 |
| Hugh S. Legaré | 1837–1839 | South Carolina | Democratic | 1797–1843 |
| Robert L. Leggett | 1963–1979 | California | Democratic | 1926–1997 |
| Frederick R. Lehlbach | 1915–1937 | New Jersey | Republican | 1876–1937 |
| Herman Lehlbach | 1885–1891 | New Jersey | Republican | 1845–1904 |
| Richard H. Lehman | 1983–1995 | California | Democratic | 1948–present |
| William Lehman | 1973–1993 | Florida | Democratic | 1913–2005 |
| William Eckart Lehman | 1861–1863 | Pennsylvania | Democratic | 1821–1895 |
| John C. Lehr | 1933–1935 | Michigan | Democratic | 1878–1958 |
| Michael Leib | 1799–1806 | Pennsylvania | Democratic-Republican | 1760–1822 |
| Owen D. Leib | 1845–1847 | Pennsylvania | Democratic | ????–1848 |
| Paul Leidy | 1857–1859 | Pennsylvania | Democratic | 1813–1877 |
| Jacob D. Leighty | 1895–1897 | Indiana | Republican | 1839–1912 |
| George G. Leiper | 1829–1831 | Pennsylvania | Democratic | 1786–1868 |
| John Leisenring | 1895–1897 | Pennsylvania | Republican | 1853–1901 |
| Benjamin F. Leiter | 1855–1857 | Ohio | Oppositionist | 1813–1866 |
| Benjamin F. Leiter | 1857–1859 | Ohio | Republican | 1813–1866 |
| Mickey Leland | 1979–1989 | Texas | Democratic | 1944–1989 |
| William Lemke | 1933–1941 | North Dakota | Non-Partisan | 1878–1950 |
| William Lemke | 1943–1950 | North Dakota | Republican | 1878–1950 |
| John T. Lenahan | 1907–1909 | Pennsylvania | Democratic | 1852–1920 |
| Alton Lennon | 1957–1973 | North Carolina | Democratic | 1906–1986 |
| Irvine Lenroot | 1909–1918 | Wisconsin | Republican | 1869–1949 |
| James Lent | 1829–1833 | New York | Democratic | 1782–1833 |
| Norman F. Lent | 1971–1993 | New York | Republican | 1931–2012 |
| John J. Lentz | 1897–1901 | Ohio | Democratic | 1856–1931 |
| Fred C. Leonard | 1895–1897 | Pennsylvania | Republican | 1856–1921 |
| George Leonard | 1789–1793 | Massachusetts | Pro-Administration | 1729–1819 |
| George Leonard | 1795–1797 | Massachusetts | Federalist | 1729–1819 |
| John E. Leonard | 1877–1878 | Louisiana | Republican | 1845–1878 |
| Moses G. Leonard | 1843–1845 | New York | Democratic | 1809–1899 |
| Stephen B. Leonard | 1835–1837 1839–1841 | New York | Democratic | 1793–1876 |
| John V. Lesher | 1913–1921 | Pennsylvania | Democratic | 1866–1932 |
| John Lesinski Jr. | 1951–1965 | Michigan | Democratic | 1914–2005 |
| John Lesinski Sr. | 1933–1950 | Michigan | Democratic | 1885–1950 |
| Debbie Lesko | 2018–2025 | Arizona | Republican | 1958–present |
| Montague Lessler | 1902–1903 | New York | Republican | 1869–1938 |
| Posey G. Lester | 1889–1893 | Virginia | Democratic | 1850–1929 |
| Rufus E. Lester | 1889–1906 | Georgia | Democratic | 1837–1906 |
| John Letcher | 1851–1859 | Virginia | Democratic | 1813–1884 |
| Robert P. Letcher | 1823–1825 | Kentucky | Democratic-Republican | 1788–1861 |
| Robert P. Letcher | 1825–1833 1834–1835 | Kentucky | National Republican | 1788–1861 |
| F. Dickinson Letts | 1925–1931 | Iowa | Republican | 1875–1965 |
| Asbury F. Lever | 1901–1919 | South Carolina | Democratic | 1875–1940 |
| Robert W. Levering | 1959–1961 | Ohio | Democratic | 1914–1989 |
| Andy Levin | 2019–2023 | Michigan | Democratic | 1960–present |
| Lewis Charles Levin | 1845–1851 | Pennsylvania | American | 1808–1860 |
| Sander Levin | 1983–2019 | Michigan | Democratic | 1931–present |
| Mel Levine | 1983–1993 | California | Democratic | 1943–present |
| Elliott H. Levitas | 1975–1985 | Georgia | Democratic | 1930–2022 |
| David A. Levy | 1993–1995 | New York | Republican | 1953–present |
| Jefferson Monroe Levy | 1899–1901 1911–1915 | New York | Democratic | 1852–1924 |
| William M. Levy | 1875–1877 | Louisiana | Democratic | 1827–1882 |
| Abner Lewis | 1845–1847 | New York | Whig | 1801–1879 |
| Barbour Lewis | 1873–1875 | Tennessee | Republican | 1818–1893 |
| Burwell Boykin Lewis | 1875–1877 1879–1880 | Alabama | Democratic | 1838–1885 |
| Charles S. Lewis | 1854–1855 | Virginia | Democratic | 1821–1878 |
| Clarke Lewis | 1889–1893 | Mississippi | Democratic | 1840–1896 |
| David John Lewis | 1911–1917 1931–1939 | Maryland | Democratic | 1869–1952 |
| Dixon H. Lewis | 1829–1844 | Alabama | Democratic | 1802–1848 |
| Earl Ramage Lewis | 1939–1941 1943–1949 | Ohio | Republican | 1887–1956 |
| Edward T. Lewis | 1883–1885 | Louisiana | Democratic | 1834–1927 |
| Elijah B. Lewis | 1897–1909 | Georgia | Democratic | 1854–1920 |
| Fred E. Lewis | 1913–1915 | Pennsylvania | Republican | 1865–1949 |
| J. Hamilton Lewis | 1897–1899 | Washington | Democratic | 1863–1939 |
| Jason Lewis | 2017–2019 | Minnesota | Republican | 1955–present |
| Jerry Lewis | 1979–2013 | California | Republican | 1934–2021 |
| John H. Lewis | 1881–1883 | Illinois | Republican | 1830–1929 |
| John Lewis | 1987-2020 | Georgia | Democratic | 1940–2020 |
| John W. Lewis | 1895–1897 | Kentucky | Republican | 1841–1913 |
| Joseph Lewis Jr. | 1803–1817 | Virginia | Federalist | 1772–1834 |
| Joseph Horace Lewis | 1870–1873 | Kentucky | Democratic | 1824–1904 |
| Lawrence Lewis | 1933–1943 | Colorado | Democratic | 1879–1943 |
| Robert Jacob Lewis | 1901–1903 | Pennsylvania | Republican | 1864–1933 |
| Ron Lewis | 1994–2009 | Kentucky | Republican | 1946–present |
| Thomas Lewis Jr. | 1803–1804 | Virginia | Federalist | 1760–1847 |
| Tom Lewis | 1983–1995 | Florida | Republican | 1924–2003 |
| William Lewis | 1948–1949 | Kentucky | Republican | 1868–1959 |
| William J. Lewis | 1817–1819 | Virginia | Democratic-Republican | 1766–1828 |
| Harry Libbey | 1883–1885 | Virginia | Readjuster | 1843–1913 |
| Harry Libbey | 1885–1887 | Virginia | Republican | 1843–1913 |
| Roland V. Libonati | 1957–1965 | Illinois | Democratic | 1900–1991 |
| Norton Lichtenwalner | 1931–1933 | Pennsylvania | Democratic | 1889–1960 |
| Franklin H. Lichtenwalter | 1947–1951 | Pennsylvania | Republican | 1910–1973 |
| Charles Lieb | 1913–1917 | Indiana | Democratic | 1852–1928 |
| Michael Liebel Jr. | 1915–1917 | Pennsylvania | Democratic | 1870–1927 |
| Jim Ross Lightfoot | 1985–1997 | Iowa | Republican | 1938–present |
| Robert F. Ligon | 1877–1879 | Alabama | Democratic | 1823–1901 |
| Thomas Watkins Ligon | 1845–1849 | Maryland | Democratic | 1810–1881 |
| George L. Lilley | 1903–1909 | Connecticut | Republican | 1859–1909 |
| Mial E. Lilley | 1905–1907 | Pennsylvania | Republican | 1850–1915 |
| Samuel Lilly | 1853–1855 | New Jersey | Democratic | 1815–1880 |
| Thomas Jefferson Lilly | 1923–1925 | West Virginia | Democratic | 1878–1956 |
| William Lilly | 1893 | Pennsylvania | Republican | 1821–1893 |
| Abraham Lincoln | 1847–1849 | Illinois | Whig | 1809–1865 |
| Blanche Lincoln | 1993–1997 | Arkansas | Democratic | 1960–present |
| Enoch Lincoln | 1818–1821 | Massachusetts | Democratic-Republican | 1788–1829 |
| Enoch Lincoln | 1821–1826 | Maine | National Republican | 1788–1829 |
| Levi Lincoln Jr. | 1834–1837 | Massachusetts | National Republican | 1782–1868 |
| Levi Lincoln Jr. | 1837–1841 | Massachusetts | Whig | 1782–1868 |
| Levi Lincoln Sr. | 1800–1801 | Massachusetts | Democratic-Republican | 1749–1820 |
| William S. Lincoln | 1867–1869 | New York | Republican | 1813–1893 |
| James F. Lind | 1949–1953 | Pennsylvania | Democratic | 1900–1975 |
| John Lind | 1887–1893 | Minnesota | Republican | 1854–1930 |
| John Lind | 1903–1905 | Minnesota | Democratic | 1854–1930 |
| Charles August Lindbergh | 1907–1917 | Minnesota | Republican | 1859–1924 |
| John Linder | 1993–2011 | Georgia | Republican | 1942–present |
| James Johnson Lindley | 1853–1855 | Missouri | Whig | 1822–1891 |
| James Johnson Lindley | 1855–1857 | Missouri | Oppositionist | 1822–1891 |
| Francis O. Lindquist | 1913–1915 | Michigan | Republican | 1869–1924 |
| George H. Lindsay | 1901–1913 | New York | Democratic | 1837–1916 |
| George W. Lindsay | 1923–1935 | New York | Democratic | 1865–1938 |
| John Lindsay | 1959–1965 | New York | Republican | 1921–2000 |
| Stephen Lindsey | 1877–1883 | Maine | Republican | 1828–1884 |
| James Girard Lindsley | 1885–1887 | New York | Republican | 1819–1898 |
| William D. Lindsley | 1853–1855 | Ohio | Democratic | 1812–1890 |
| Walter F. Lineberger | 1921–1927 | California | Republican | 1883–1943 |
| Neil J. Linehan | 1949–1951 | Illinois | Democratic | 1895–1967 |
| Arthur A. Link | 1971–1973 | North Dakota | Democratic | 1914–2010 |
| William W. Link | 1945–1947 | Illinois | Democratic | 1884–1950 |
| Archibald L. Linn | 1841–1843 | New York | Whig | 1802–1857 |
| James Linn | 1799–1801 | New Jersey | Democratic-Republican | 1749–1821 |
| John Linn | 1817–1821 | New Jersey | Democratic-Republican | 1763–1821 |
| Romulus Z. Linney | 1895–1901 | North Carolina | Republican | 1841–1910 |
| J. Charles Linthicum | 1911–1932 | Maryland | Democratic | 1867–1932 |
| William S. Linton | 1893–1897 | Michigan | Republican | 1856–1927 |
| Bill Lipinski | 1983–2005 | Illinois | Democratic | 1937–present |
| Dan Lipinski | 2005–2021 | Illinois | Democratic | 1966–present |
| Glenard P. Lipscomb | 1953–1970 | California | Republican | 1915–1970 |
| Marcus C. Lisle | 1893–1894 | Kentucky | Democratic | 1862–1894 |
| Elisha Litchfield | 1821–1825 | New York | Democratic-Republican | 1785–1859 |
| Lucius N. Littauer | 1897–1907 | New York | Republican | 1859–1944 |
| Chauncey B. Little | 1925–1927 | Kansas | Democratic | 1877–1952 |
| Edward C. Little | 1917–1924 | Kansas | Republican | 1858–1924 |
| Edward P. Little | 1852–1853 | Massachusetts | Democratic | 1791–1875 |
| John Little | 1885–1887 | Ohio | Republican | 1837–1900 |
| John S. Little | 1894–1907 | Arkansas | Democratic | 1851–1916 |
| Joseph J. Little | 1891–1893 | New York | Democratic | 1841–1913 |
| Peter Little | 1811–1813 1816–1825 | Maryland | Democratic-Republican | 1775–1830 |
| Peter Little | 1825–1829 | Maryland | National Republican | 1775–1830 |
| Charles E. Littlefield | 1899–1908 | Maine | Republican | 1851–1915 |
| Nathaniel S. Littlefield | 1841–1843 1849–1851 | Maine | Democratic | 1804–1882 |
| De Witt C. Littlejohn | 1863–1865 | New York | Republican | 1818–1892 |
| Adam B. Littlepage | 1911–1913 1915–1919 | West Virginia | Democratic | 1859–1921 |
| Martin W. Littleton | 1911–1913 | New York | Democratic | 1872–1934 |
| Jerry Litton | 1973–1976 | Missouri | Democratic | 1937–1976 |
| Robert M. Lively | 1910–1911 | Texas | Democratic | 1855–1929 |
| Arthur Livermore | 1817–1821 1823–1825 | New Hampshire | Democratic-Republican | 1766–1853 |
| Edward St. Loe Livermore | 1807–1811 | Massachusetts | Federalist | 1762–1832 |
| Samuel Livermore | 1789–1793 | New Hampshire | Federalist | 1732–1803 |
| Edward J. Livernash | 1903–1905 | California | Democratic | 1866–1938 |
| Bob Livingston | 1977–1999 | Louisiana | Republican | 1943–present |
| Edward Livingston | 1795–1801 | New York | Democratic-Republican | 1764–1836 |
| Edward Livingston | 1823–1829 | Louisiana | Democratic | 1764–1836 |
| Henry W. Livingston | 1803–1807 | New York | Federalist | 1768–1810 |
| Leonidas F. Livingston | 1891–1911 | Georgia | Democratic | 1832–1912 |
| Robert Le Roy Livingston | 1809–1812 | New York | Federalist | 1778–1836 |
| Edward Lloyd | 1806–1809 | Maryland | Democratic-Republican | 1779–1834 |
| James F. Lloyd | 1975–1981 | California | Democratic | 1922–2012 |
| James Tilghman Lloyd | 1897–1917 | Missouri | Democratic | 1857–1944 |
| Marilyn Lloyd | 1975–1995 | Tennessee | Democratic | 1929–2018 |
| Sherman P. Lloyd | 1963–1965 1967–1973 | Utah | Republican | 1914–1979 |
| Wesley Lloyd | 1933–1936 | Washington | Democratic | 1883–1936 |
| Benjamin F. Loan | 1863–1865 | Missouri | Unconditional Unionist | 1819–1881 |
| Benjamin F. Loan | 1865–1869 | Missouri | Republican | 1819–1881 |
| Charles O. Lobeck | 1911–1919 | Nebraska | Democratic | 1852–1920 |
| Frank LoBiondo | 1995–2019 | New Jersey | Republican | 1946–present |
| John Locke | 1823–1825 | Massachusetts | Democratic-Republican | 1764–1855 |
| John Locke | 1825–1829 | Massachusetts | National Republican | 1764–1855 |
| Matthew Locke | 1793–1795 | North Carolina | Anti-Administration | 1730–1801 |
| Matthew Locke | 1795–1799 | North Carolina | Democratic-Republican | 1730–1801 |
| James Lockhart | 1851–1853 1857 | Indiana | Democratic | 1806–1857 |
| James A. Lockhart | 1895–1896 | North Carolina | Democratic | 1850–1905 |
| Daniel N. Lockwood | 1877–1879 1891–1895 | New York | Democratic | 1844–1906 |
| Henry Cabot Lodge | 1887–1893 | Massachusetts | Republican | 1850–1924 |
| John Davis Lodge | 1947–1951 | Connecticut | Republican | 1903–1985 |
| Dave Loebsack | 2007–2021 | Iowa | Democratic | 1952–present |
| Tom Loeffler | 1979–1987 | Texas | Republican | 1946–present |
| James R. Lofland | 1873–1875 | Delaware | Republican | 1823–1894 |
| George W. Loft | 1913–1917 | New York | Democratic | 1865–1943 |
| Henry Logan | 1835–1839 | Pennsylvania | Democratic | 1784–1866 |
| John A. Logan | 1859–1862 | Illinois | Democratic | 1826–1886 |
| John A. Logan | 1867–1871 | Illinois | Republican | 1826–1886 |
| W. Turner Logan | 1921–1925 | South Carolina | Democratic | 1874–1941 |
| J. Washington Logue | 1913–1915 | Pennsylvania | Democratic | 1863–1925 |
| Meyer London | 1915–1919 1921–1923 | New York | Socialist | 1871–1926 |
| Augustine Lonergan | 1913–1915 1917–1921 1931–1933 | Connecticut | Democratic | 1874–1947 |
| Alexander Long | 1863–1865 | Ohio | Democratic | 1816–1886 |
| Billy Long | 2011–2023 | Missouri | Republican | 1955–present |
| Catherine Small Long | 1985–1987 | Louisiana | Democratic | 1924–2019 |
| Chester I. Long | 1895–1897 1899–1903 | Kansas | Republican | 1860–1934 |
| Clarence Long | 1963–1985 | Maryland | Democratic | 1908–1994 |
| Edward H. C. Long | 1845–1847 | Maryland | Whig | 1808–1865 |
| George S. Long | 1953–1958 | Louisiana | Democratic | 1883–1958 |
| Gillis W. Long | 1963–1965 1973–1985 | Louisiana | Democratic | 1923–1985 |
| Jefferson F. Long | 1870–1871 | Georgia | Republican | 1836–1901 |
| Jill Long Thompson | 1989–1995 | Indiana | Democratic | 1952–present |
| John Long | 1821–1825 | North Carolina | Democratic-Republican | 1785–1857 |
| John Long | 1825–1829 | North Carolina | National Republican | 1785–1857 |
| John B. Long | 1891–1893 | Texas | Democratic | 1843–1924 |
| John Davis Long | 1883–1889 | Massachusetts | Republican | 1838–1915 |
| Lewis M. Long | 1937–1939 | Illinois | Democratic | 1883–1957 |
| Speedy Long | 1965–1973 | Louisiana | Democratic | 1928–2006 |
| Stephen Longfellow | 1823–1825 | Maine | Federalist | 1776–1849 |
| James B. Longley Jr. | 1995–1997 | Maine | Republican | 1951–present |
| Henry Clay Longnecker | 1859–1861 | Pennsylvania | Republican | 1820–1871 |
| Nicholas Longworth | 1903–1913 1915–1931 | Ohio | Republican | 1869–1931 |
| John W. Longyear | 1863–1867 | Michigan | Republican | 1820–1875 |
| Frederick C. Loofbourow | 1930–1933 | Utah | Republican | 1874–1949 |
| Andrew W. Loomis | 1837 | Ohio | Whig | 1797–1873 |
| Arphaxed Loomis | 1837–1839 | New York | Democratic | 1798–1885 |
| Dwight Loomis | 1859–1863 | Connecticut | Republican | 1821–1903 |
| Greg Lopez | 2024–2025 | Colorado | Republican | 1964–present |
| Bert Lord | 1935–1939 | New York | Republican | 1869–1939 |
| Frederick W. Lord | 1847–1849 | New York | Democratic | 1800–1860 |
| Henry W. Lord | 1881–1883 | Michigan | Republican | 1821–1891 |
| Scott Lord | 1875–1877 | New York | Democratic | 1820–1885 |
| Charles B. Lore | 1883–1887 | Delaware | Democratic | 1831–1911 |
| William Lorimer | 1895–1901 1903–1909 | Illinois | Republican | 1861–1934 |
| George B. Loring | 1877–1881 | Massachusetts | Republican | 1817–1891 |
| J. Carlton Loser | 1957–1963 | Tennessee | Democratic | 1892–1984 |
| Trent Lott | 1973–1989 | Mississippi | Republican | 1941–present |
| Eugene F. Loud | 1891–1903 | California | Republican | 1847–1908 |
| George A. Loud | 1903–1913 1915–1917 | Michigan | Republican | 1852–1925 |
| Henry C. Loudenslager | 1893–1911 | New Jersey | Republican | 1852–1911 |
| William Loughridge | 1867–1871 1873–1875 | Iowa | Republican | 1827–1889 |
| William Lounsbery | 1879–1881 | New York | Democratic | 1831–1905 |
| James A. Louttit | 1885–1887 | California | Republican | 1848–1906 |
| Francis J. Love | 1947–1949 | West Virginia | Republican | 1901–1989 |
| James Love | 1833–1835 | Kentucky | National Republican | 1795–1874 |
| John Love | 1807–1811 | Virginia | Democratic-Republican | ????–1822 |
| Mia Love | 2015–2019 | Utah | Republican | 1975–present |
| Peter Early Love | 1859–1861 | Georgia | Democratic | 1818–1866 |
| Rodney M. Love | 1965–1967 | Ohio | Democratic | 1908–1996 |
| Thomas C. Love | 1835–1837 | New York | National Republican | 1789–1853 |
| William Carter Love | 1815–1817 | North Carolina | Democratic-Republican | 1784–1835 |
| William F. Love | 1897–1898 | Mississippi | Democratic | 1850–1898 |
| Owen Lovejoy | 1857–1864 | Illinois | Republican | 1811–1864 |
| Henry B. Lovering | 1883–1887 | Massachusetts | Democratic | 1841–1911 |
| William C. Lovering | 1897–1910 | Massachusetts | Republican | 1835–1910 |
| John Lovett | 1813–1817 | New York | Federalist | 1761–1818 |
| Oscar Lovette | 1931–1933 | Tennessee | Republican | 1871–1934 |
| Harold Lovre | 1949–1957 | South Dakota | Republican | 1904–1972 |
| Frederick Low | 1862–1863 | California | Republican | 1828–1894 |
| Philip B. Low | 1895–1899 | New York | Republican | 1836–1912 |
| Frank O. Lowden | 1906–1911 | Illinois | Republican | 1861–1943 |
| David P. Lowe | 1871–1875 | Kansas | Republican | 1823–1882 |
| William M. Lowe | 1879–1881 1882 | Alabama | Greenbacker | 1842–1882 |
| Joshua A. Lowell | 1839–1843 | Maine | Democratic | 1801–1874 |
| Allard K. Lowenstein | 1969–1971 | New York | Democratic | 1929–1980 |
| Alan Lowenthal | 2013–2023 | California | Democratic | 1941–present |
| Christian Lower | 1805–1806 | Pennsylvania | Democratic-Republican | 1740–1806 |
| Bill Lowery | 1981–1993 | California | Republican | 1947–present |
| Nita Lowey | 1989–2021 | New York | Democratic | 1937–2025 |
| Lloyd Lowndes Jr. | 1873–1875 | Maryland | Republican | 1845–1905 |
| Thomas Lowndes | 1801–1805 | South Carolina | Federalist | 1766–1843 |
| William Lowndes | 1811–1822 | South Carolina | Democratic-Republican | 1782–1822 |
| Bill G. Lowrey | 1921–1929 | Mississippi | Democratic | 1862–1947 |
| Mike Lowry | 1979–1989 | Washington | Democratic | 1939–2017 |
| Robert Lowry | 1883–1887 | Indiana | Democratic | 1824–1904 |
| George Loyall | 1830–1831 1833–1837 | Virginia | Democratic | 1789–1868 |
| Ralph F. Lozier | 1923–1935 | Missouri | Democratic | 1866–1945 |
| Edward Lucas | 1833–1837 | Virginia | Democratic | 1780–1858 |
| John Baptiste Charles Lucas | 1803–1805 | Pennsylvania | Democratic-Republican | 1758–1842 |
| Ken Lucas | 1999–2005 | Kentucky | Democratic | 1933–present |
| Scott W. Lucas | 1935–1939 | Illinois | Democratic | 1892–1968 |
| William Lucas | 1839–1841 1843–1845 | Virginia | Democratic | 1800–1877 |
| William V. Lucas | 1893–1895 | South Dakota | Republican | 1835–1921 |
| Wingate H. Lucas | 1947–1955 | Texas | Democratic | 1908–1989 |
| Clare Boothe Luce | 1943–1947 | Connecticut | Republican | 1903–1987 |
| Robert Luce | 1919–1935 1937–1941 | Massachusetts | Republican | 1862–1946 |
| Henry Carl Luckey | 1935–1939 | Nebraska | Democratic | 1868–1956 |
| Alfred Lucking | 1903–1905 | Michigan | Democratic | 1856–1929 |
| Louis Ludlow | 1929–1949 | Indiana | Democratic | 1873–1950 |
| John F. Luecke | 1937–1939 | Michigan | Democratic | 1889–1952 |
| Blaine Luetkemeyer | 2009–2025 | Missouri | Republican | 1952–present |
| Willfred W. Lufkin | 1917–1921 | Massachusetts | Republican | 1879–1934 |
| Oscar R. Luhring | 1919–1923 | Indiana | Republican | 1879–1944 |
| Ben Ray Luján | 2009–2021 | New Mexico | Democratic | 1972–present |
| Manuel Lujan Jr. | 1969–1989 | New Mexico | Republican | 1928–2019 |
| Michelle Lujan Grisham | 2013–2018 | New Mexico | Democratic | 1959–present |
| Charlie Luken | 1991–1993 | Ohio | Democratic | 1951–present |
| Tom Luken | 1974–1975 1977–1991 | Ohio | Democratic | 1925–2018 |
| Buz Lukens | 1967–1971 1987–1990 | Ohio | Republican | 1931–2010 |
| Cynthia Lummis | 2009-2017 | Wyoming | Republican | 1954–present |
| John H. Lumpkin | 1843–1849 1855–1857 | Georgia | Democratic | 1812–1860 |
| Wilson Lumpkin | 1815–1817 | Georgia | Democratic-Republican | 1783–1870 |
| Wilson Lumpkin | 1827–1831 | Georgia | Democratic | 1783–1870 |
| Tranquilino Luna | 1881–1884 | New Mexico | Republican | 1849–1892 |
| Ernest Lundeen | 1917–1919 | Minnesota | Republican | 1878–1940 |
| Ernest Lundeen | 1933–1937 | Minnesota | Farmer-Labor | 1878–1940 |
| Frederick Lundin | 1909–1911 | Illinois | Republican | 1868–1947 |
| Stan Lundine | 1976–1987 | New York | Democratic | 1939–present |
| Dan Lungren | 1979–1989 2005–2013 | California | Republican | 1946–present |
| George R. Lunn | 1917–1919 | New York | Democratic | 1873–1948 |
| Elaine Luria | 2019–2023 | Virginia | Democratic | 1975–present |
| Georgia Lee Lusk | 1947–1949 | New Mexico | Democratic | 1893–1971 |
| Bill Luther | 1995–2003 | Minnesota | Democratic-Farmer-Labor | 1945–present |
| John K. Luttrell | 1873–1879 | California | Democratic | 1831–1893 |
| Archibald Lybrand | 1897–1901 | Ohio | Republican | 1840–1910 |
| Aaron Lyle | 1809–1817 | Pennsylvania | Democratic-Republican | 1759–1825 |
| John E. Lyle Jr. | 1945–1955 | Texas | Democratic | 1910–2003 |
| Joseph Lyman | 1885–1889 | Iowa | Republican | 1840–1890 |
| Joseph S. Lyman | 1819–1821 | New York | Democratic-Republican | 1785–1821 |
| Samuel Lyman | 1795–1800 | Massachusetts | Federalist | 1749–1802 |
| Theodore Lyman | 1883–1885 | Massachusetts | Independent Republican | 1833–1897 |
| William Lyman | 1793–1795 | Massachusetts | Anti-Administration | 1755–1811 |
| William Lyman | 1795–1797 | Massachusetts | Democratic-Republican | 1755–1811 |
| John Lynch | 1865–1873 | Maine | Republican | 1825–1892 |
| John Lynch | 1887–1889 | Pennsylvania | Democratic | 1843–1910 |
| John R. Lynch | 1873–1877 1882–1883 | Mississippi | Republican | 1847–1939 |
| Thomas Lynch | 1891–1895 | Wisconsin | Democratic | 1844–1898 |
| Walter A. Lynch | 1940–1951 | New York | Democratic | 1894–1957 |
| William Pitt Lynde | 1848–1849 1875–1879 | Wisconsin | Democratic | 1817–1885 |
| Asa Lyon | 1815–1817 | Vermont | Federalist | 1763–1841 |
| Caleb Lyon | 1853–1855 | New York | Independent | 1822–1875 |
| Chittenden Lyon | 1827–1835 | Kentucky | Democratic | 1787–1842 |
| Francis S. Lyon | 1835–1837 | Alabama | National Republican | 1800–1882 |
| Francis S. Lyon | 1837–1839 | Alabama | Whig | 1800–1882 |
| Homer L. Lyon | 1921–1929 | North Carolina | Democratic | 1879–1956 |
| Lucius Lyon | 1833–1835 1843–1845 | Michigan | Democratic | 1800–1851 |
| Matthew Lyon | 1797–1801 | Vermont | Democratic-Republican | 1749–1822 |
| Matthew Lyon | 1803–1811 | Vermont | Kentucky | 1749–1822 |
| Robert Todd Lytle | 1833–1834 1834–1835 | Ohio | Democratic | 1804–1839 |