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

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

## 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 |
| Deb Haaland | 2019–2021 | New Mexico | Democratic | 1960–present |
| Richard W. Habersham | 1839–1842 | Georgia | Whig | 1786–1842 |
| Richard N. Hackett | 1907–1909 | North Carolina | Democratic | 1866–1923 |
| Thomas C. Hackett | 1849–1851 | Georgia | Democratic | c. 1798–1851 |
| Aaron Hackley Jr. | 1819–1821 | New York | Democratic–Republican | 1783–1868 |
| Thomas Hackney | 1907–1909 | Missouri | Democratic | 1861–1946 |
| Lindley H. Hadley | 1915–1933 | Washington | Republican | 1861–1948 |
| William F. L. Hadley | 1895–1897 | Illinois | Republican | 1847–1901 |
| G. Elliott Hagan | 1961–1973 | Georgia | Democratic | 1916–1990 |
| John Hagans | 1873–1875 | West Virginia | Republican | 1838–1900 |
| Jim Hagedorn | 2019–2022 | Minnesota | Republican | 1962–2022 |
| Tom Hagedorn | 1975–1983 | Minnesota | Republican | 1943–present |
| Harlan Hagen | 1953–1967 | California | Democratic | 1914–1990 |
| Harold Hagen | 1943–1945 | Minnesota | Farmer-Labor | 1901–1957 |
| Harold Hagen | 1945–1955 | Minnesota | Republican | 1901–1957 |
| Alva L. Hager | 1893–1899 | Iowa | Republican | 1850–1923 |
| Warren A. Haggott | 1907–1909 | Colorado | Republican | 1864–1958 |
| Janice Hahn | 2011–2016 | California | Democratic | 1952–present |
| John Hahn | 1815–1817 | Pennsylvania | Democratic-Republican | 1776–1823 |
| Michael Hahn | 1862–1863 | Louisiana | Unionist | 1830–1886 |
| Michael Hahn | 1885–1886 | Louisiana | Republican | 1830–1886 |
| Charles Haight | 1867–1871 | New Jersey | Democratic | 1838–1891 |
| Edward Haight | 1861–1863 | New York | Democratic | 1817–1885 |
| William Haile | 1826–1828 | Mississippi | Democratic | 1797–1837 |
| John Hailey | 1873–1875 1885–1887 | Idaho | Democratic | 1835–1921 |
| Eugene J. Hainer | 1893–1897 | Nebraska | Republican | 1851–1929 |
| Charles Delemere Haines | 1893–1895 | New York | Democratic | 1856–1929 |
| Harry L. Haines | 1931–1939 1941–1943 | Pennsylvania | Democratic | 1880–1947 |
| Richard Jacobs Haldeman | 1869–1873 | Pennsylvania | Democratic | 1831–1886 |
| Artemas Hale | 1845–1849 | Massachusetts | Whig | 1783–1882 |
| Eugene Hale | 1869–1879 | Maine | Republican | 1836–1918 |
| Fletcher Hale | 1925–1931 | New Hampshire | Republican | 1883–1931 |
| James Tracy Hale | 1859–1863 | Pennsylvania | Republican | 1810–1865 |
| James Tracy Hale | 1863–1865 | Pennsylvania | Independent Republican | 1810–1865 |
| John B. Hale | 1885–1887 | Missouri | Democratic | 1831–1905 |
| John P. Hale | 1843–1845 | New Hampshire | Democratic | 1806–1873 |
| Nathan W. Hale | 1905–1909 | Tennessee | Republican | 1860–1941 |
| Robert Hale | 1943–1959 | Maine | Republican | 1889–1976 |
| Robert S. Hale | 1865–1867 1873–1875 | New York | Republican | 1822–1881 |
| Salma Hale | 1817–1819 | New Hampshire | Democratic-Republican | 1787–1866 |
| William Hale | 1809–1811 1813–1817 | New Hampshire | Federalist | 1765–1848 |
| Elisha Haley | 1835–1839 | Connecticut | Democratic | 1776–1860 |
| James A. Haley | 1953–1977 | Florida | Democratic | 1899–1981 |
| Albert R. Hall | 1925–1931 | Indiana | Republican | 1884–1969 |
| Augustus Hall | 1855–1857 | Iowa | Democratic | 1814–1861 |
| Benton Jay Hall | 1885–1887 | Iowa | Democratic | 1835–1894 |
| Bolling Hall | 1811–1817 | Georgia | Democratic-Republican | 1767–1836 |
| Chapin Hall | 1859–1861 | Pennsylvania | Republican | 1816–1879 |
| Darwin Hall | 1889–1891 | Minnesota | Republican | 1844–1919 |
| David McKee Hall | 1959–1960 | North Carolina | Democratic | 1918–1960 |
| Durward G. Hall | 1961–1973 | Missouri | Republican | 1910–2001 |
| Edwin Arthur Hall | 1939–1953 | New York | Republican | 1909–2004 |
| George Hall | 1819–1821 | New York | Democratic–Republican | 1770–1840 |
| Hiland Hall | 1833–1837 | Vermont | National Republican | 1795–1885 |
| Hiland Hall | 1837–1843 | Vermont | Whig | 1795–1885 |
| Homer W. Hall | 1927–1933 | Illinois | Republican | 1870–1954 |
| James Knox Polk Hall | 1899–1903 | Pennsylvania | Democratic | 1844–1915 |
| John Hall | 2007–2011 | New York | Democratic | 1948–present |
| Joseph Hall | 1833–1837 | Maine | Democratic | 1793–1859 |
| Joshua G. Hall | 1879–1883 | New Hampshire | Republican | 1828–1898 |
| Katie Hall | 1982–1985 | Indiana | Democratic | 1938–2012 |
| Kwanza Hall | 2020–2021 | Georgia | Democratic | 1971–present |
| Lawrence W. Hall | 1857–1859 | Ohio | Democratic | 1819–1863 |
| Leonard W. Hall | 1939–1952 | New York | Republican | 1900–1979 |
| Nathan K. Hall | 1847–1849 | New York | Whig | 1810–1874 |
| Norman Hall | 1887–1889 | Pennsylvania | Democratic | 1829–1917 |
| Obed Hall | 1811–1813 | New Hampshire | Democratic-Republican | 1757–1828 |
| Osee M. Hall | 1891–1895 | Minnesota | Democratic | 1847–1914 |
| Philo Hall | 1907–1909 | South Dakota | Republican | 1865–1938 |
| Ralph Hall | 1981–2015 | Texas | Republican | 1923–2019 |
| Robert Bernard Hall | 1855–1857 | Massachusetts | American | 1812–1868 |
| Robert Bernard Hall | 1857–1859 | Massachusetts | Republican | 1812–1868 |
| Robert S. Hall | 1929–1933 | Mississippi | Democratic | 1879–1941 |
| Sam B. Hall Jr. | 1976–1985 | Texas | Democratic | 1924–1994 |
| Thomas Hall | 1924–1933 | North Dakota | Republican | 1869–1958 |
| Thomas H. Hall | 1817–1825 | North Carolina | Democratic-Republican | 1773–1853 |
| Thomas H. Hall | 1827–1835 | North Carolina | Democratic | 1773–1853 |
| Tim Lee Hall | 1975–1977 | Illinois | Democratic | 1925–2008 |
| Tony P. Hall | 1979–2002 | Ohio | Democratic | 1942–present |
| Uriel S. Hall | 1893–1897 | Missouri | Democratic | 1852–1932 |
| Willard Hall | 1817–1821 | Delaware | Democratic-Republican | 1780–1875 |
| Willard P. Hall | 1847–1853 | Missouri | Democratic | 1820–1882 |
| William Hall | 1831–1833 | Tennessee | Democratic | 1775–1856 |
| William A. Hall | 1862–1863 | Missouri | Democratic | 1815–1888 |
| William A. Hall | 1863–1865 | Missouri | Unionist | 1815–1888 |
| Charles A. Halleck | 1935–1969 | Indiana | Republican | 1900–1986 |
| John Hallock Jr. | 1825–1829 | New York | Democratic | 1783–1840 |
| Ransom Halloway | 1849–1851 | New York | Whig | c. 1793–1851 |
| Edwin Hallowell | 1891–1893 | Pennsylvania | Democratic | 1844–1916 |
| Seymour Halpern | 1959–1973 | New York | Republican | 1913–1997 |
| John E. Halsell | 1883–1887 | Kentucky | Democratic | 1826–1899 |
| George A. Halsey | 1867–1869 1871–1873 | New Jersey | Republican | 1827–1894 |
| Jehiel H. Halsey | 1829–1831 | New York | Democratic | 1788–1867 |
| Nicoll Halsey | 1833–1835 | New York | Democratic | 1782–1865 |
| Silas Halsey | 1805–1807 | New York | Democratic–Republican | 1743–1832 |
| Thomas J. Halsey | 1929–1931 | Missouri | Republican | 1863–1951 |
| William Halstead | 1837–1839 1841–1843 | New Jersey | Whig | 1794–1878 |
| Frederick Halterman | 1895–1897 | Pennsylvania | Republican | 1831–1907 |
| Debbie Halvorson | 2009–2011 | Illinois | Democratic | 1958–present |
| Kittel Halvorson | 1891–1893 | Minnesota | Populist | 1846–1936 |
| Samuel Hambleton | 1869–1873 | Maryland | Democratic | 1812–1886 |
| Daniel Hamburg | 1993–1995 | California | Democratic | 1948–present |
| Thomas L. Hamer | 1833–1839 | Ohio | Democratic | 1800–1846 |
| Thomas R. Hamer | 1909–1911 | Idaho | Republican | 1864–1950 |
| James A. Hamill | 1907–1921 | New Jersey | Democratic | 1877–1941 |
| Patrick Hamill | 1869–1871 | Maryland | Democratic | 1817–1895 |
| Andrew H. Hamilton | 1875–1879 | Indiana | Democratic | 1834–1895 |
| Andrew Jackson Hamilton | 1859–1861 | Texas | Independent Democrat | 1815–1875 |
| Charles Mann Hamilton | 1913–1919 | New York | Republican | 1874–1942 |
| Charles Memorial Hamilton | 1868–1871 | Florida | Republican | 1840–1875 |
| Cornelius S. Hamilton | 1867 | Ohio | Republican | 1821–1867 |
| Daniel W. Hamilton | 1907–1909 | Iowa | Democratic | 1861–1936 |
| Edward L. Hamilton | 1897–1921 | Michigan | Republican | 1857–1923 |
| Finley Hamilton | 1933–1935 | Kentucky | Democratic | 1886–1940 |
| James Hamilton Jr. | 1822–1825 | South Carolina | Democratic-Republican | 1786–1857 |
| James Hamilton Jr. | 1825–1829 | South Carolina | Democratic | 1786–1857 |
| John Hamilton | 1805–1807 | Pennsylvania | Democratic-Republican | 1754–1837 |
| John M. Hamilton | 1911–1913 | West Virginia | Democratic | 1855–1916 |
| John Taylor Hamilton | 1891–1893 | Iowa | Democratic | 1843–1925 |
| Lee Hamilton | 1965–1999 | Indiana | Democratic | 1931–present |
| Norman R. Hamilton | 1937–1939 | Virginia | Democratic | 1877–1964 |
| Robert Hamilton | 1873–1877 | New Jersey | Democratic | 1809–1878 |
| William T. Hamilton | 1849–1855 | Maryland | Democratic | 1820–1888 |
| Courtney W. Hamlin | 1903–1905 1907–1919 | Missouri | Democratic | 1858–1950 |
| Edward S. Hamlin | 1844–1845 | Ohio | Whig | 1808–1894 |
| Hannibal Hamlin | 1843–1847 | Maine | Democratic | 1809–1891 |
| Simon M. Hamlin | 1935–1937 | Maine | Democratic | 1866–1939 |
| William C. Hammer | 1921–1930 | North Carolina | Democratic | 1865–1930 |
| John Paul Hammerschmidt | 1967–1993 | Arkansas | Republican | 1922–2015 |
| William H. Hammett | 1843–1845 | Mississippi | Democratic | 1799–1861 |
| Edward Hammond | 1849–1853 | Maryland | Democratic | 1812–1882 |
| Jabez Delano Hammond | 1815–1817 | New York | Democratic–Republican | 1778–1855 |
| James H. Hammond | 1835–1836 | South Carolina | Nullifier | 1807–1864 |
| John Hammond | 1879–1883 | New York | Republican | 1827–1889 |
| Nathaniel J. Hammond | 1879–1887 | Georgia | Democratic | 1833–1899 |
| Peter Francis Hammond | 1936–1937 | Ohio | Democratic | 1887–1971 |
| Robert H. Hammond | 1837–1841 | Pennsylvania | Democratic | 1791–1847 |
| Samuel Hammond | 1803–1805 | Georgia | Democratic-Republican | 1757–1842 |
| Thomas Hammond | 1893–1895 | Indiana | Democratic | 1843–1909 |
| Winfield Scott Hammond | 1907–1915 | Minnesota | Democratic | 1863–1915 |
| David Hammons | 1847–1849 | Maine | Democratic | 1808–1888 |
| Joseph Hammons | 1829–1833 | New Hampshire | Democratic | 1787–1836 |
| James G. Hampton | 1845–1849 | New Jersey | Whig | 1814–1861 |
| Moses Hampton | 1847–1851 | Pennsylvania | Whig | 1803–1878 |
| Wade Hampton I | 1795–1797 1803–1805 | South Carolina | Democratic-Republican | 1752–1835 |
| Colleen Hanabusa | 2011–2015 2016–2019 | Hawaii | Democratic | 1951–present |
| Lewis Hanback | 1883–1887 | Kansas | Republican | 1839–1897 |
| Harry A. Hanbury | 1901–1903 | New York | Republican | 1863–1940 |
| Kent Hance | 1979–1985 | Texas | Democratic | 1942–present |
| Luther Hanchett | 1861–1862 | Wisconsin | Republican | 1825–1862 |
| Clarence E. Hancock | 1927–1947 | New York | Republican | 1885–1948 |
| Frank Hancock Jr. | 1930–1939 | North Carolina | Democratic | 1894–1969 |
| George Hancock | 1793–1795 | Virginia | Pro-Administration | 1754–1820 |
| George Hancock | 1795–1797 | Virginia | Federalist | 1754–1820 |
| John Hancock | 1871–1877 1883–1885 | Texas | Democratic | 1824–1893 |
| Mel Hancock | 1989–1997 | Missouri | Republican | 1929–2011 |
| Augustus C. Hand | 1839–1841 | New York | Democratic | 1803–1878 |
| T. Millet Hand | 1945–1956 | New Jersey | Republican | 1902–1956 |
| Karen Handel | 2017–2019 | Georgia | Republican | 1962–present |
| William Anderson Handley | 1871–1873 | Alabama | Democratic | 1834–1909 |
| L. Irving Handy | 1897–1899 | Delaware | Democratic | 1861–1922 |
| James M. Hanks | 1871–1873 | Arkansas | Democratic | 1833–1909 |
| James M. Hanley | 1965–1981 | New York | Democratic | 1920–2003 |
| Frank Hanly | 1895–1897 | Indiana | Republican | 1863–1920 |
| John Hanna | 1877–1879 | Indiana | Republican | 1827–1882 |
| John A. Hanna | 1797–1805 | Pennsylvania | Democratic-Republican | 1762–1805 |
| L. B. Hanna | 1909–1913 | North Dakota | Republican | 1861–1948 |
| Richard Hanna | 2011–2017 | New York | Republican | 1951–2020 |
| Richard T. Hanna | 1963–1974 | California | Democratic | 1914–2001 |
| Mark W. Hannaford | 1975–1979 | California | Democratic | 1925–1985 |
| Edward A. Hannegan | 1833–1837 | Indiana | Democratic | 1807–1859 |
| Robert P. Hanrahan | 1973–1975 | Illinois | Republican | 1934–2011 |
| Henry C. Hansbrough | 1889–1891 | North Dakota | Republican | 1848–1933 |
| George V. Hansen | 1965–1969 1975–1985 | Idaho | Republican | 1930–2014 |
| Jim Hansen | 1981–2003 | Utah | Republican | 1932–2018 |
| John R. Hansen | 1965–1967 | Iowa | Democratic | 1901–1974 |
| Julia Butler Hansen | 1960–1974 | Washington | Democratic | 1907–1988 |
| Orval H. Hansen | 1969–1975 | Idaho | Republican | 1926–2017 |
| Alexander C. Hanson | 1813–1816 | Maryland | Federalist | 1786–1819 |
| Hugh A. Haralson | 1843–1851 | Georgia | Democratic | 1805–1854 |
| Jeremiah Haralson | 1875–1877 | Alabama | Republican | 1846–1916 |
| Gideon Hard | 1833–1835 | New York | Anti-Masonic | 1797–1885 |
| Gideon Hard | 1835–1837 | New York | National Republican | 1797–1885 |
| Thomas Hardeman Jr. | 1859–1861 | Georgia | Oppositionist | 1825–1891 |
| Thomas Hardeman Jr. | 1883–1885 | Georgia | Democratic | 1825–1891 |
| Cecil M. Harden | 1949–1959 | Indiana | Republican | 1894–1984 |
| Augustus A. Hardenbergh | 1875–1879 1881–1883 | New Jersey | Democratic | 1830–1889 |
| Benjamin Hardin | 1815–1817 1819–1823 | Kentucky | Democratic-Republican | 1784–1852 |
| Benjamin Hardin | 1833–1837 | Kentucky | National Republican | 1784–1852 |
| John J. Hardin | 1843–1845 | Illinois | Whig | 1810–1847 |
| Aaron Harding | 1861–1865 | Kentucky | Unionist | 1805–1875 |
| Aaron Harding | 1865–1867 | Kentucky | Democratic | 1805–1875 |
| Abner C. Harding | 1865–1869 | Illinois | Republican | 1807–1874 |
| J. Eugene Harding | 1907–1909 | Ohio | Republican | 1877–1959 |
| Ralph R. Harding | 1961–1965 | Idaho | Democratic | 1929–2006 |
| Thomas W. Hardwick | 1903–1914 | Georgia | Democratic | 1872–1944 |
| Alexander M. Hardy | 1895–1897 | Indiana | Republican | 1847–1927 |
| Cresent Hardy | 2015–2017 | Nevada | Republican | 1957–present |
| Guy U. Hardy | 1919–1933 | Colorado | Republican | 1872–1947 |
| John Hardy | 1881–1885 | New York | Democratic | 1835–1913 |
| Porter Hardy Jr. | 1947–1969 | Virginia | Democratic | 1903–1995 |
| Rufus Hardy | 1907–1923 | Texas | Democratic | 1855–1943 |
| Butler B. Hare | 1925–1933 1939–1947 | South Carolina | Democratic | 1875–1967 |
| Darius D. Hare | 1891–1895 | Ohio | Democratic | 1843–1897 |
| James Butler Hare | 1949–1951 | South Carolina | Democratic | 1918–1966 |
| Phil Hare | 2007–2011 | Illinois | Democratic | 1949–present |
| Silas Hare | 1887–1891 | Texas | Democratic | 1827–1908 |
| Denver D. Hargis | 1959–1961 | Kansas | Democratic | 1921–1989 |
| Tom Harkin | 1975–1985 | Iowa | Democratic | 1939–present |
| Aaron Harlan | 1853–1859 | Ohio | Whig | 1802–1868 |
| Andrew J. Harlan | 1849–1851 1853–1855 | Indiana | Democratic | 1815–1907 |
| Byron B. Harlan | 1931–1939 | Ohio | Democratic | 1886–1949 |
| James Harlan | 1835–1837 | Kentucky | National Republican | 1800–1863 |
| James Harlan | 1837–1839 | Kentucky | Whig | 1800–1863 |
| Richard F. Harless | 1943–1949 | Arizona | Democratic | 1905–1970 |
| Jane Harman | 1993–1999 2001–2011 | California | Democratic | 1945–present |
| John H. Harmanson | 1845–1850 | Louisiana | Democratic | 1803–1850 |
| Alfred C. Harmer | 1871–1875 1877–1900 | Pennsylvania | Republican | 1825–1900 |
| Randall S. Harmon | 1959–1961 | Indiana | Democratic | 1903–1982 |
| Forest Harness | 1939–1949 | Indiana | Republican | 1895–1974 |
| Alexander Harper | 1837–1839 1843–1847 1851–1853 | Ohio | Whig | 1786–1860 |
| Francis J. Harper | 1837–1837 | Pennsylvania | Democratic | 1800–1837 |
| Gregg Harper | 2009–2019 | Mississippi | Republican | 1956–present |
| James Harper | 1833–1837 | Pennsylvania | National Republican | 1780–1873 |
| James C. Harper | 1871–1873 | North Carolina | Democratic | 1819–1890 |
| John Adams Harper | 1811–1813 | New Hampshire | Democratic-Republican | 1779–1816 |
| Joseph M. Harper | 1831–1835 | New Hampshire | Democratic | 1787–1865 |
| Robert Goodloe Harper | 1795 | South Carolina | Pro-Administration | 1765–1825 |
| Robert Goodloe Harper | 1795–1801 | South Carolina | Federalist | 1765–1825 |
| John W. Harreld | 1919–1921 | Oklahoma | Republican | 1872–1950 |
| William H. Harries | 1891–1893 | Minnesota | Democratic | 1843–1921 |
| Henry W. Harrington | 1863–1865 | Indiana | Democratic | 1825–1882 |
| Michael J. Harrington | 1969–1979 | Massachusetts | Democratic | 1936–present |
| Vincent F. Harrington | 1937–1942 | Iowa | Democratic | 1903–1943 |
| Benjamin G. Harris | 1863–1867 | Maryland | Democratic | 1805–1895 |
| Benjamin W. Harris | 1873–1883 | Massachusetts | Republican | 1823–1907 |
| Charles M. Harris | 1863–1865 | Illinois | Democratic | 1821–1896 |
| Christopher Columbus Harris | 1914–1915 | Alabama | Democratic | 1842–1935 |
| Claude Harris Jr. | 1987–1993 | Alabama | Democratic | 1940–1994 |
| George E. Harris | 1870–1873 | Mississippi | Republican | 1827–1911 |
| Henry R. Harris | 1873–1879 1885–1887 | Georgia | Democratic | 1828–1909 |
| Henry S. Harris | 1881–1883 | New Jersey | Democratic | 1850–1902 |
| Herbert Harris | 1975–1981 | Virginia | Democratic | 1926–2014 |
| Isham G. Harris | 1849–1853 | Tennessee | Democratic | 1818–1897 |
| J. Morrison Harris | 1855–1861 | Maryland | American | 1817–1898 |
| John Harris | 1807–1809 | New York | Democratic-Republican | 1760–1824 |
| John T. Harris | 1859–1861 | Virginia | Independent Democratic | 1823–1899 |
| John T. Harris | 1871–1881 | Virginia | Democratic | 1823–1899 |
| Katherine Harris | 2003–2007 | Florida | Republican | 1957–present |
| Mark Harris | 1822–1823 | Maine | Democratic-Republican | 1779–1843 |
| Oren Harris | 1941–1966 | Arkansas | Democratic | 1903–1997 |
| Robert Harris | 1823–1825 | Pennsylvania | Democratic-Republican | 1768–1851 |
| Robert Harris | 1825–1827 | Pennsylvania | Democratic | 1768–1851 |
| Robert O. Harris | 1911–1913 | Massachusetts | Republican | 1854–1926 |
| Sampson Willis Harris | 1847–1857 | Alabama | Democratic | 1809–1857 |
| Stephen Ross Harris | 1895–1897 | Ohio | Republican | 1824–1905 |
| Thomas K. Harris | 1813–1815 | Tennessee | Democratic-Republican | 17??–1816 |
| Thomas L. Harris | 1849–1851 1855–1858 | Illinois | Democratic | 1816–1858 |
| Wiley P. Harris | 1853–1855 | Mississippi | Democratic | 1818–1891 |
| William Alexander Harris | 1841–1843 | Virginia | Democratic | 1805–1864 |
| William A. Harris | 1893–1895 | Kansas | Populist | 1841–1909 |
| Winder R. Harris | 1941–1944 | Virginia | Democratic | 1888–1973 |
| Albert Galliton Harrison | 1835–1839 | Missouri | Democratic | 1800–1839 |
| Burr P. Harrison | 1946–1963 | Virginia | Democratic | 1904–1973 |
| Carter B. Harrison | 1793–1795 | Virginia | Anti-Administration | c. 1756–1808 |
| Carter B. Harrison | 1795–1799 | Virginia | Democratic-Republican | c. 1756–1808 |
| Carter Harrison Sr. | 1875–1879 | Illinois | Democratic | 1825–1893 |
| Francis Burton Harrison | 1903–1905 1907–1913 | New York | Democratic | 1873–1957 |
| Frank Harrison | 1983–1985 | Pennsylvania | Democratic | 1940–2009 |
| George P. Harrison Jr. | 1894–1897 | Alabama | Democratic | 1841–1922 |
| Horace Harrison | 1873–1875 | Tennessee | Republican | 1829–1885 |
| John Scott Harrison | 1853–1857 | Ohio | Whig | 1804–1878 |
| Pat Harrison | 1911–1919 | Mississippi | Democratic | 1881–1941 |
| Richard A. Harrison | 1861–1863 | Ohio | Unionist | 1824–1904 |
| R. D. Harrison | 1951–1959 | Nebraska | Republican | 1897–1977 |
| Samuel Smith Harrison | 1833–1837 | Pennsylvania | Democratic | 1780–1853 |
| Thomas W. Harrison | 1916–1929 | Virginia | Democratic | 1856–1935 |
| William Henry Harrison | 1799–1800 1816–1819 | Northwest Ohio | Democratic-Republican | 1773–1841 |
| William Henry Harrison III | 1951–1955 1961–1965 1967–1969 | Wyoming | Republican | 1896–1990 |
| Bill Harsha | 1961–1981 | Ohio | Republican | 1921–2010 |
| Alphonso Hart | 1883–1885 | Ohio | Republican | 1830–1910 |
| Archibald C. Hart | 1912–1913 1913–1917 | New Jersey | Democratic | 1873–1935 |
| Edward J. Hart | 1935–1955 | New Jersey | Democratic | 1893–1961 |
| Elizur K. Hart | 1877–1879 | New York | Democratic | 1841–1893 |
| Emanuel B. Hart | 1851–1853 | New York | Democratic | 1809–1897 |
| Joseph J. Hart | 1895–1897 | Pennsylvania | Democratic | 1859–1926 |
| Melissa Hart | 2001–2007 | Pennsylvania | Republican | 1962–present |
| Michael J. Hart | 1931–1935 | Michigan | Democratic | 1877–1951 |
| Roswell Hart | 1865–1867 | New York | Republican | 1824–1883 |
| Dow W. Harter | 1933–1943 | Ohio | Democratic | 1885–1971 |
| J. Francis Harter | 1939–1941 | New York | Republican | 1897–1947 |
| Michael D. Harter | 1891–1895 | Ohio | Democratic | 1846–1896 |
| Fred A. Hartley Jr. | 1929–1949 | New Jersey | Republican | 1902–1969 |
| Thomas Hartley | 1789–1795 | Pennsylvania | Pro-Administration | 1748–1800 |
| Thomas Hartley | 1795–1800 | Pennsylvania | Federalist | 1748–1800 |
| Charles S. Hartman | 1893–1897 | Montana | Republican | 1861–1929 |
| Charles S. Hartman | 1897–1899 | Montana | Silver Republican | 1861–1929 |
| Jesse L. Hartman | 1911–1913 | Pennsylvania | Republican | 1853–1930 |
| Thomas F. Hartnett | 1981–1987 | South Carolina | Republican | 1941–present |
| Julian Hartridge | 1875–1879 | Georgia | Democratic | 1829–1879 |
| William Hartzell | 1875–1879 | Illinois | Democratic | 1837–1903 |
| Vicky Hartzler | 2011–2023 | Missouri | Republican | 1960–present |
| David A. Harvey | 1890–1893 | Oklahoma | Republican | 1845–1916 |
| Jonathan Harvey | 1825–1831 | New Hampshire | Democratic | 1780–1859 |
| Matthew Harvey | 1821–1825 | New Hampshire | Democratic-Republican | 1781–1866 |
| R. James Harvey | 1961–1974 | Michigan | Republican | 1922–2019 |
| Ralph Harvey | 1947–1959 1961–1966 | Indiana | Republican | 1901–1991 |
| Abraham Bruyn Hasbrouck | 1825–1827 | New York | National Republican | 1791–1879 |
| Abraham J. Hasbrouck | 1813–1815 | New York | Democratic–Republican | 1773–1845 |
| Josiah Hasbrouck | 1803–1805 1817–1819 | New York | Democratic-Republican | 1755–1821 |
| Augustus P. Hascall | 1851–1853 | New York | Whig | 1800–1872 |
| Dudley C. Haskell | 1877–1883 | Kansas | Republican | 1842–1883 |
| Hal Haskell | 1957–1959 | Delaware | Republican | 1921–2020 |
| Reuben L. Haskell | 1915–1919 | New York | Republican | 1878–1971 |
| William T. Haskell | 1847–1849 | Tennessee | Whig | 1818–1859 |
| John B. Haskin | 1857–1861 | New York | Democratic | 1821–1895 |
| Kittredge Haskins | 1901–1909 | Vermont | Republican | 1836–1916 |
| Dennis Hastert | 1987–2007 | Illinois | Republican | 1942–present |
| Alcee Hastings | 1993–2021 | Florida | Democratic | 1936–2021 |
| Doc Hastings | 1995–2015 | Washington | Republican | 1941–present |
| George Hastings | 1853–1855 | New York | Democratic | 1807–1866 |
| James F. Hastings | 1969–1976 | New York | Republican | 1926–2014 |
| John Hastings | 1839–1843 | Ohio | Democratic | 1778–1854 |
| Serranus C. Hastings | 1846–1847 | Iowa | Democratic | 1814–1893 |
| Seth Hastings | 1801–1807 | Massachusetts | Federalist | 1762–1831 |
| William Soden Hastings | 1837–1842 | Massachusetts | Whig | 1798–1842 |
| William Wirt Hastings | 1915–1921 1923–1935 | Oklahoma | Democratic | 1866–1938 |
| Herschel H. Hatch | 1883–1885 | Michigan | Republican | 1837–1920 |
| Israel T. Hatch | 1857–1859 | New York | Democratic | 1808–1875 |
| Jethro A. Hatch | 1895–1897 | Indiana | Republican | 1837–1912 |
| William H. Hatch | 1879–1895 | Missouri | Democratic | 1833–1896 |
| Charles Hatcher | 1981–1993 | Georgia | Democratic | 1939–present |
| Robert A. Hatcher | 1873–1879 | Missouri | Democratic | 1819–1886 |
| Samuel G. Hathaway | 1833–1835 | New York | Democratic | 1780–1867 |
| William Hathaway | 1965–1973 | Maine | Democratic | 1924–2013 |
| Henry H. Hathorn | 1873–1877 | New York | Republican | 1813–1887 |
| John Hathorn | 1789–1791 | New York | Anti-Administration | 1749–1825 |
| John Hathorn | 1795–1797 | New York | Democratic-Republican | 1749–1825 |
| Robert H. Hatton | 1859–1861 | Tennessee | Oppositionist | 1826–1862 |
| Gilbert N. Haugen | 1899–1933 | Iowa | Republican | 1859–1933 |
| Nils P. Haugen | 1887–1895 | Wisconsin | Republican | 1849–1931 |
| Thomas Haughey | 1868–1869 | Alabama | Republican | 1826–1869 |
| Nathaniel Appleton Haven | 1809–1811 | New Hampshire | Federalist | 1762–1831 |
| Solomon G. Haven | 1851–1857 | New York | Whig | 1810–1861 |
| Franck R. Havenner | 1937–1939 | California | Progressive | 1882–1967 |
| Franck R. Havenner | 1939–1941 1945–1953 | California | Democratic | 1882–1967 |
| Harrison E. Havens | 1871–1875 | Missouri | Republican | 1837–1916 |
| James S. Havens | 1910–1911 | New York | Democratic | 1859–1927 |
| Jonathan Nicoll Havens | 1795–1799 | New York | Democratic-Republican | 1757–1799 |
| Albert G. Hawes | 1831–1837 | Kentucky | Democratic | 1804–1849 |
| Aylett Hawes | 1811–1817 | Virginia | Democratic-Republican | 1768–1833 |
| Harry B. Hawes | 1921–1926 | Missouri | Democratic | 1869–1947 |
| Richard Hawes | 1837–1841 | Kentucky | Whig | 1797–1877 |
| Robert M. A. Hawk | 1879–1882 | Illinois | Republican | 1839–1882 |
| James Hawkes | 1821–1823 | New York | Democratic–Republican | 1776–1865 |
| Augustus Hawkins | 1963–1991 | California | Democratic | 1907–2007 |
| George Sydney Hawkins | 1857–1861 | Florida | Democratic | 1808–1878 |
| Isaac Roberts Hawkins | 1866–1867 | Tennessee | Unionist | 1818–1880 |
| Isaac Roberts Hawkins | 1867–1871 | Tennessee | Republican | 1818–1880 |
| Joseph Hawkins | 1829–1831 | New York | National Republican | 1781–1832 |
| Joseph H. Hawkins | 1814–1815 | Kentucky | Democratic-Republican | ????–1823 |
| Micajah Thomas Hawkins | 1831–1841 | North Carolina | Democratic | 1790–1858 |
| Charles Hawks Jr. | 1939–1941 | Wisconsin | Republican | 1899–1960 |
| John B. Hawley | 1869–1875 | Illinois | Republican | 1831–1895 |
| Joseph R. Hawley | 1872–1875 1879–1881 | Connecticut | Republican | 1826–1905 |
| Robert B. Hawley | 1897–1901 | Texas | Republican | 1849–1921 |
| Willis C. Hawley | 1907–1933 | Oregon | Republican | 1864–1941 |
| John Henry Hobart Haws | 1851–1853 | New York | Whig | 1809–1858 |
| Andrew K. Hay | 1849–1851 | New Jersey | Whig | 1809–1881 |
| James Hay | 1897–1916 | Virginia | Democratic | 1856–1931 |
| John B. Hay | 1869–1873 | Illinois | Republican | 1834–1916 |
| Carl Hayden | 1912–1927 | Arizona | Democratic | 1877–1972 |
| Edward D. Hayden | 1885–1889 | Massachusetts | Republican | 1833–1908 |
| Moses Hayden | 1823–1825 | New York | Democratic–Republican | 1785–1830 |
| Moses Hayden | 1825–1827 | New York | National Republican | 1785–1830 |
| Charles Hayes | 1983–1993 | Illinois | Democratic | 1918–1997 |
| Everis A. Hayes | 1905–1919 | California | Republican | 1855–1942 |
| Jimmy Hayes | 1987–1995 | Louisiana | Democratic | 1946–present |
| Jimmy Hayes | 1995–1997 | Louisiana | Republican | 1946–present |
| Philip C. Hayes | 1877–1881 | Illinois | Republican | 1833–1916 |
| Philip H. Hayes | 1975–1977 | Indiana | Democratic | 1940–2023 |
| Robin Hayes | 1999–2009 | North Carolina | Republican | 1945–present |
| Rutherford B. Hayes | 1865–1867 | Ohio | Republican | 1822–1893 |
| Walter I. Hayes | 1887–1895 | Iowa | Democratic | 1841–1901 |
| Thomas Haymond | 1849–1851 | Virginia | Whig | 1794–1869 |
| William S. Haymond | 1875–1877 | Indiana | Democratic | 1823–1885 |
| Charles E. Haynes | 1825–1831 1835–1839 | Georgia | Democratic | 1784–1841 |
| Martin Alonzo Haynes | 1883–1887 | New Hampshire | Republican | 1842–1919 |
| William E. Haynes | 1889–1893 | Ohio | Democratic | 1829–1914 |
| Brooks Hays | 1943–1959 | Arkansas | Democratic | 1898–1981 |
| Charles Hays | 1869–1877 | Alabama | Republican | 1834–1879 |
| Edward D. Hays | 1919–1923 | Missouri | Republican | 1872–1941 |
| Edward R. Hays | 1890–1891 | Iowa | Republican | 1847–1896 |
| Samuel Hays | 1843–1845 | Pennsylvania | Democratic | 1783–1868 |
| Samuel L. Hays | 1841–1843 | Virginia | Democratic | 1794–1871 |
| Wayne Hays | 1949–1976 | Ohio | Democratic | 1911–1989 |
| William Hayward Jr. | 1823–1825 | Maryland | Democratic-Republican | 1787–1836 |
| Donald Hayworth | 1955–1957 | Michigan | Democratic | 1898–1982 |
| J. D. Hayworth | 1995–2007 | Arizona | Republican | 1958–present |
| Nan Hayworth | 2011–2013 | New York | Republican | 1959–present |
| Nathaniel Hazard | 1819–1820 | Rhode Island | Democratic-Republican | 1776–1820 |
| Abner Hazeltine | 1833–1835 | New York | Anti-Masonic | 1793–1879 |
| Abner Hazeltine | 1835–1837 | New York | National Republican | 1793–1879 |
| Ira S. Haseltine | 1881–1883 | Missouri | Greenbacker | 1821–1899 |
| George Cochrane Hazelton | 1877–1883 | Wisconsin | Republican | 1832–1922 |
| Gerry Whiting Hazelton | 1871–1875 | Wisconsin | Republican | 1829–1920 |
| John W. Hazelton | 1871–1875 | New Jersey | Republican | 1814–1878 |
| James M. Hazlett | 1927–1927 | Pennsylvania | Republican | 1864–1941 |
| William H. Heald | 1909–1913 | Delaware | Republican | 1864–1939 |
| Arthur Daniel Healey | 1933–1942 | Massachusetts | Democratic | 1889–1948 |
| James C. Healey | 1956–1965 | New York | Democratic | 1909–1981 |
| Joseph Healy | 1825–1829 | New Hampshire | National Republican | 1776–1861 |
| Ned R. Healy | 1945–1947 | California | Democratic | 1905–1977 |
| John T. Heard | 1885–1895 | Missouri | Democratic | 1840–1927 |
| William Randolph Hearst | 1903–1907 | New York | Democratic | 1863–1951 |
| James P. Heath | 1833–1835 | Maryland | Democratic | 1777–1854 |
| John Heath | 1793–1795 | Virginia | Anti-Administration | 1758–1810 |
| John Heath | 1795–1797 | Virginia | Democratic-Republican | 1758–1810 |
| David Heaton | 1868–1870 | North Carolina | Republican | 1823–1870 |
| Robert Douglas Heaton | 1915–1919 | Pennsylvania | Republican | 1873–1933 |
| Joel Heatwole | 1895–1903 | Minnesota | Republican | 1856–1910 |
| William Hebard | 1849–1853 | Vermont | Whig | 1800–1875 |
| F. Edward Hébert | 1941–1977 | Louisiana | Democratic | 1901–1979 |
| Ken Hechler | 1959–1977 | West Virginia | Democratic | 1914–2016 |
| Denny Heck | 2013–2021 | Washington | Democratic | 1952–present |
| Joe Heck | 2011–2017 | Nevada | Republican | 1961–present |
| Margaret Heckler | 1967–1983 | Massachusetts | Republican | 1931–2018 |
| Thomas Hedge | 1899–1907 | Iowa | Republican | 1844–1920 |
| E. H. Hedrick | 1945–1953 | West Virginia | Democratic | 1894–1954 |
| James J. Heffernan | 1941–1953 | New York | Democratic | 1888–1967 |
| Joel Hefley | 1987–2007 | Colorado | Republican | 1935–present |
| J. Thomas Heflin | 1904–1920 | Alabama | Democratic | 1869–1951 |
| Robert Stell Heflin | 1869–1871 | Alabama | Republican | 1815–1901 |
| Bill Hefner | 1975–1999 | North Carolina | Democratic | 1930–2009 |
| Cecil Heftel | 1977–1986 | Hawaii | Democratic | 1924–2010 |
| James V. Heidinger | 1941–1945 | Illinois | Republican | 1882–1945 |
| William Heilman | 1879–1883 | Indiana | Republican | 1824–1890 |
| Fred Heineman | 1995–1997 | North Carolina | Republican | 1929–2010 |
| Daniel B. Heiner | 1893–1897 | Pennsylvania | Republican | 1854–1944 |
| George H. Heinke | 1939–1940 | Nebraska | Republican | 1882–1940 |
| Martin Heinrich | 2009–2013 | New Mexico | Democratic | 1971–present |
| Victor Heintz | 1917–1919 | Ohio | Republican | 1876–1968 |
| John Heinz | 1971–1977 | Pennsylvania | Republican | 1938–1991 |
| Henry T. Helgesen | 1911–1917 | North Dakota | Republican | 1857–1917 |
| Dean Heller | 2007–2011 | Nevada | Republican | 1960–present |
| Louis B. Heller | 1949–1954 | New York | Democratic | 1905–1993 |
| Harvey Helm | 1907–1919 | Kentucky | Democratic | 1865–1919 |
| William Helmick | 1859–1861 | Ohio | Republican | 1817–1888 |
| William Helms | 1801–1811 | New Jersey | Democratic-Republican | ????–1813 |
| Henry Helstoski | 1965–1977 | New Jersey | Democratic | 1925–1999 |
| Guy T. Helvering | 1913–1919 | Kansas | Democratic | 1878–1946 |
| James A. Hemenway | 1895–1905 | Indiana | Republican | 1860–1923 |
| John J. Hemphill | 1883–1893 | South Carolina | Democratic | 1849–1912 |
| Joseph Hemphill | 1801–1803 1819–1826 | Pennsylvania | Federalist | 1770–1842 |
| Joseph Hemphill | 1829–1831 | Pennsylvania | Democratic | 1770–1842 |
| Robert W. Hemphill | 1957–1964 | South Carolina | Democratic | 1915–1983 |
| Edward Hempstead | 1812–1814 | Missouri | None | 1780–1817 |
| George Whitman Hendee | 1873–1879 | Vermont | Republican | 1832–1906 |
| Archibald Henderson | 1799–1803 | North Carolina | Federalist | 1768–1822 |
| Bennett H. Henderson | 1815–1817 | Tennessee | Democratic-Republican | 1784–1850 |
| David B. Henderson | 1883–1903 | Iowa | Republican | 1840–1906 |
| David N. Henderson | 1961–1977 | North Carolina | Democratic | 1921–2004 |
| James Henry Dickey Henderson | 1865–1867 | Oregon | Republican | 1810–1885 |
| John E. Henderson | 1955–1961 | Ohio | Republican | 1917–1994 |
| John S. Henderson | 1885–1895 | North Carolina | Democratic | 1846–1916 |
| Joseph Henderson | 1833–1837 | Pennsylvania | Democratic | 1791–1863 |
| Samuel Henderson | 1814–1815 | Pennsylvania | Federalist | 1764–1841 |
| Thomas Henderson | 1795–1797 | New Jersey | Federalist | 1743–1824 |
| Thomas J. Henderson | 1875–1895 | Illinois | Republican | 1824–1911 |
| Bill Hendon | 1981–1983 1985–1987 | North Carolina | Republican | 1944–2018 |
| John Kerr Hendrick | 1895–1897 | Kentucky | Democratic | 1849–1921 |
| Joe Hendricks | 1937–1949 | Florida | Democratic | 1903–1974 |
| Thomas A. Hendricks | 1851–1855 | Indiana | Democratic | 1819–1885 |
| William Hendricks | 1816–1822 | Indiana | Democratic-Republican | 1782–1850 |
| Joseph F. Hendrix | 1893–1895 | New York | Democratic | 1853–1904 |
| Eli Jones Henkle | 1875–1881 | Maryland | Democratic | 1828–1893 |
| Barclay Henley | 1883–1887 | California | Democratic | 1843–1914 |
| Thomas J. Henley | 1843–1849 | Indiana | Democratic | 1808–1875 |
| Bernhart Henn | 1851–1855 | Iowa | Democratic | 1817–1865 |
| Charles W. Henney | 1933–1935 | Wisconsin | Democratic | 1884–1969 |
| Thomas C. Hennings Jr. | 1935–1940 | Missouri | Democratic | 1903–1960 |
| Charles L. Henry | 1895–1899 | Indiana | Republican | 1849–1927 |
| Daniel Maynadier Henry | 1877–1881 | Maryland | Democratic | 1823–1899 |
| E. Stevens Henry | 1895–1913 | Connecticut | Republican | 1836–1921 |
| John Henry | 1847 | Illinois | Whig | 1800–1882 |
| John Flournoy Henry | 1826–1827 | Kentucky | National Republican | 1793–1873 |
| Lewis Henry | 1922–1923 | New York | Republican | 1885–1941 |
| Pat Henry | 1901–1903 | Mississippi | Democratic | 1861–1933 |
| Patrick Henry | 1897–1901 | Mississippi | Democratic | 1843–1930 |
| Paul B. Henry | 1985–1993 | Michigan | Republican | 1942–1993 |
| Robert Kirkland Henry | 1945–1946 | Wisconsin | Republican | 1890–1946 |
| Robert L. Henry | 1897–1917 | Texas | Democratic | 1864–1931 |
| Robert Pryor Henry | 1823–1825 | Kentucky | Democratic-Republican | 1788–1826 |
| Robert Pryor Henry | 1825–1826 | Kentucky | Democratic | 1788–1826 |
| Thomas Henry | 1837–1843 | Pennsylvania | Anti-Masonic | 1779–1849 |
| William Henry | 1847–1851 | Vermont | Whig | 1788–1861 |
| Winder Laird Henry | 1894–1895 | Maryland | Democratic | 1864–1940 |
| Jeb Hensarling | 2003–2019 | Texas | Republican | 1957–present |
| Walter Lewis Hensley | 1911–1919 | Missouri | Democratic | 1871–1946 |
| William Peters Hepburn | 1881–1887 1893–1909 | Iowa | Republican | 1833–1916 |
| Hilary A. Herbert | 1877–1893 | Alabama | Democratic | 1834–1919 |
| John C. Herbert | 1815–1819 | Maryland | Federalist | 1775–1846 |
| Philemon T. Herbert | 1855–1857 | California | Democratic | 1825–1864 |
| Frank Hereford | 1871–1877 | West Virginia | Democratic | 1825–1891 |
| Wally Herger | 1987–2013 | California | Republican | 1945–present |
| John Herkimer | 1817–1819 1823–1825 | New York | Democratic–Republican | 1773–1848 |
| Syd Herlong | 1949–1969 | Florida | Democratic | 1909–1995 |
| Binger Hermann | 1885–1897 1903–1907 | Oregon | Republican | 1843–1926 |
| Benigno C. Hernández | 1915–1917 1919–1921 | New Mexico | Republican | 1862–1954 |
| Joseph Marion Hernández | 1822–1823 | Florida | None | 1788–1857 |
| Thomas H. Herndon | 1879–1883 | Alabama | Democratic | 1828–1883 |
| William S. Herndon | 1871–1875 | Texas | Democratic | 1835–1903 |
| William Herod | 1837–1839 | Indiana | Whig | 1801–1871 |
| Yvette Herrell | 2021–2023 | New Mexico | Republican | 1964–present |
| Jaime Herrera Beutler | 2011–2023 | Washington | Republican | 1978–present |
| Anson Herrick | 1863–1865 | New York | Democratic | 1812–1868 |
| Ebenezer Herrick | 1821–1825 | Maine | Democratic-Republican | 1785–1839 |
| Ebenezer Herrick | 1825–1827 | Maine | National Republican | 1785–1839 |
| Joshua Herrick | 1843–1845 | Maine | Democratic | 1793–1874 |
| Manuel Herrick | 1921–1923 | Oklahoma | Republican | 1876–1952 |
| Richard P. Herrick | 1845–1846 | New York | Whig | 1791–1846 |
| Samuel Herrick | 1817–1821 | Ohio | Democratic-Republican | 1779–1852 |
| Stephanie Herseth Sandlin | 2004–2011 | South Dakota | Democratic | 1970–present |
| Ira G. Hersey | 1917–1929 | Maine | Republican | 1858–1943 |
| Samuel F. Hersey | 1873–1875 | Maine | Republican | 1812–1875 |
| Hugh S. Hersman | 1919–1921 | California | Democratic | 1872–1954 |
| Dennis Hertel | 1981–1993 | Michigan | Democratic | 1948–present |
| Christian Herter | 1943–1953 | Massachusetts | Republican | 1895–1966 |
| John W. Heselton | 1945–1959 | Massachusetts | Republican | 1900–1962 |
| William E. Hess | 1929–1937 1939–1949 1951–1961 | Ohio | Republican | 1898–1986 |
| Abram Hewitt | 1875–1879 1881–1886 | New York | Democratic | 1822–1903 |
| Goldsmith W. Hewitt | 1875–1879 1881–1885 | Alabama | Democratic | 1834–1895 |
| Ellery Albee Hibbard | 1871–1873 | New Hampshire | Democratic | 1826–1903 |
| Harry Hibbard | 1849–1855 | New Hampshire | Democratic | 1816–1872 |
| Jacob Hibshman | 1819–1821 | Pennsylvania | Democratic-Republican | 1772–1852 |
| Jody Hice | 2015–2023 | Georgia | Republican | 1960–present |
| Andrew J. Hickey | 1919–1931 | Indiana | Republican | 1872–1942 |
| John Hickman | 1855–1859 | Pennsylvania | Democratic | 1810–1875 |
| John Hickman | 1859–1861 | Pennsylvania | Anti-Lecompton Democrat | 1810–1875 |
| John Hickman | 1861–1863 | Pennsylvania | Republican | 1810–1875 |
| Floyd Hicks | 1965–1977 | Washington | Democratic | 1915–1992 |
| Frederick C. Hicks | 1915–1923 | New York | Republican | 1872–1925 |
| Josiah Duane Hicks | 1893–1899 | Pennsylvania | Republican | 1844–1923 |
| Louise Day Hicks | 1971–1973 | Massachusetts | Democratic | 1916–2003 |
| Edgar W. Hiestand | 1953–1963 | California | Republican | 1888–1970 |
| John Andrew Hiestand | 1885–1889 | Pennsylvania | Republican | 1824–1890 |
| Daniel Hiester | 1789–1795 | Pennsylvania | Anti-Administration | 1747–1804 |
| Daniel Hiester | 1795–1796 | Pennsylvania | Democratic-Republican | 1747–1804 |
| Daniel Hiester | 1801–1804 | Maryland | Democratic-Republican | 1747–1804 |
| Daniel Hiester | 1809–1811 | Pennsylvania | Democratic-Republican | 1774–1834 |
| Isaac Ellmaker Hiester | 1853–1855 | Pennsylvania | Whig | 1824–1871 |
| John Hiester | 1807–1809 | Pennsylvania | Democratic-Republican | 1745–1821 |
| Joseph Hiester | 1797–1805 | Pennsylvania | Democratic-Republican | 1752–1832 |
| William Hiester | 1831–1837 | Pennsylvania | Anti-Masonic | 1790–1853 |
| William Higby | 1863–1869 | California | Republican | 1813–1887 |
| Brian Higgins | 2005–2024 | New York | Democratic | 1959–present |
| Edwin W. Higgins | 1905–1913 | Connecticut | Republican | 1874–1954 |
| John P. Higgins | 1935–1937 | Massachusetts | Democratic | 1893–1955 |
| William L. Higgins | 1933–1937 | Connecticut | Republican | 1867–1951 |
| Jack Hightower | 1975–1985 | Texas | Democratic | 1926–2013 |
| Samuel G. Hilborn | 1892–1894 1895–1899 | California | Republican | 1834–1899 |
| Fred H. Hildebrandt | 1933–1939 | South Dakota | Democratic | 1874–1956 |
| Charles Q. Hildebrant | 1901–1905 | Ohio | Republican | 1864–1953 |
| John P. Hiler | 1981–1991 | Indiana | Republican | 1953–present |
| Baron Hill | 1999–2005 2007–2011 | Indiana | Democratic | 1953–present |
| Benjamin Harvey Hill | 1875–1877 | Georgia | Democratic | 1823–1882 |
| Charles A. Hill | 1889–1891 | Illinois | Republican | 1833–1902 |
| Clement S. Hill | 1853–1855 | Kentucky | Whig | 1813–1892 |
| Ebenezer J. Hill | 1895–1913 1915–1917 | Connecticut | Republican | 1845–1917 |
| Hugh Lawson White Hill | 1847–1849 | Tennessee | Democratic | 1810–1892 |
| J. Lister Hill | 1923–1938 | Alabama | Democratic | 1894–1984 |
| John Hill | 1839–1841 | North Carolina | Democratic | 1797–1861 |
| John Hill | 1839–1841 | Virginia | Whig | 1800–1880 |
| John Hill | 1867–1873 1881–1883 | New Jersey | Republican | 1821–1884 |
| John Philip Hill | 1921–1927 | Maryland | Republican | 1879–1941 |
| Joshua Hill | 1857–1861 | Georgia | American | 1812–1891 |
| Katie Hill | 2019 | California | Democratic | 1987–present |
| Knute Hill | 1933–1943 | Washington | Democratic | 1876–1963 |
| Mark Langdon Hill | 1819–1821 | Massachusetts | Democratic-Republican | 1772–1842 |
| Mark Langdon Hill | 1821–1823 | Massachusetts | Maine | 1772–1842 |
| Ralph Hill | 1865–1867 | Indiana | Republican | 1827–1899 |
| Rick Hill | 1997–2001 | Montana | Republican | 1946–present |
| Robert P. Hill | 1913–1915 | Illinois | Democratic | 1874–1937 |
| Robert P. Hill | 1937 | Illinois | Oklahoma | 1874–1937 |
| Samuel B. Hill | 1923–1936 | Washington | Democratic | 1875–1958 |
| William D. Hill | 1879–1881 1883–1887 | Ohio | Democratic | 1833–1906 |
| William Henry Hill | 1799–1803 | North Carolina | Federalist | 1767–1809 |
| William Henry Hill | 1919–1921 | New York | Republican | 1876–1972 |
| William S. Hill | 1941–1959 | Colorado | Republican | 1886–1972 |
| Wilson S. Hill | 1903–1909 | Mississippi | Democratic | 1863–1921 |
| Van Hilleary | 1995–2003 | Tennessee | Republican | 1959–present |
| Jeffrey P. Hillelson | 1953–1955 | Missouri | Republican | 1919–2003 |
| Solomon Hillen Jr. | 1839–1841 | Maryland | Democratic | 1810–1873 |
| James Hillhouse | 1791–1795 | Connecticut | Pro-Administration | 1754–1832 |
| James Hillhouse | 1795–1796 | Connecticut | Federalist | 1754–1832 |
| Benjamin C. Hilliard | 1915–1919 | Colorado | Democratic | 1868–1951 |
| Earl Hilliard Sr. | 1993–2003 | Alabama | Democratic | 1942–present |
| Henry W. Hilliard | 1845–1851 | Alabama | Whig | 1808–1892 |
| Patrick J. Hillings | 1951–1959 | California | Republican | 1923–1994 |
| Elwood Hillis | 1971–1987 | Indiana | Republican | 1926–2023 |
| Junius Hillyer | 1851–1853 | Georgia | Unionist | 1807–1886 |
| Junius Hillyer | 1853–1855 | Georgia | Democratic | 1807–1886 |
| Joseph H. Himes | 1921–1923 | Ohio | Republican | 1885–1960 |
| Maurice Hinchey | 1993–2013 | New York | Democratic | 1938–2017 |
| Thomas C. Hindman | 1859–1861 | Arkansas | Democratic | 1828–1868 |
| William Hindman | 1793–1795 | Maryland | Pro-Administration | 1743–1822 |
| William Hindman | 1795–1799 | Maryland | Federalist | 1743–1822 |
| Asher Hinds | 1911–1917 | Maine | Republican | 1863–1919 |
| James M. Hinds | 1868 | Arkansas | Republican | 1833–1868 |
| Thomas Hinds | 1828–1831 | Mississippi | Democratic | 1780–1840 |
| William H. Hinebaugh | 1913–1915 | Illinois | Progressive | 1867–1943 |
| Richard Hines | 1825–1827 | North Carolina | Democratic | ????–1851 |
| William Henry Hines | 1893–1895 | Pennsylvania | Democratic | 1856–1914 |
| Rubén Hinojosa | 1997–2017 | Texas | Democratic | 1940–present |
| William H. Hinrichsen | 1897–1899 | Illinois | Democratic | 1850–1907 |
| Andrew J. Hinshaw | 1973–1977 | California | Republican | 1923–2016 |
| Edmund H. Hinshaw | 1903–1911 | Nebraska | Republican | 1860–1932 |
| Carl Hinshaw | 1939–1956 | California | Republican | 1894–1956 |
| Jon Hinson | 1979–1981 | Mississippi | Republican | 1942–1995 |
| George Hires | 1885–1889 | New Jersey | Republican | 1835–1911 |
| Mazie Hirono | 2007–2013 | Hawaii | Democratic | 1947–present |
| Frank Hiscock | 1877–1887 | New York | Republican | 1834–1914 |
| Elijah Hise | 1866–1867 | Kentucky | Democratic | 1802–1867 |
| Gilbert Hitchcock | 1903–1905 1907–1911 | Nebraska | Democratic | 1859–1934 |
| Peter Hitchcock | 1817–1819 | Ohio | Democratic-Republican | 1781–1853 |
| Phineas Hitchcock | 1865–1867 | Nebraska | Republican | 1831–1881 |
| Robert R. Hitt | 1882–1906 | Illinois | Republican | 1834–1906 |
| Truman H. Hoag | 1869–1870 | Ohio | Democratic | 1816–1870 |
| Moses Hoagland | 1849–1851 | Ohio | Democratic | 1812–1865 |
| Peter Hoagland | 1989–1995 | Nebraska | Democratic | 1941–2007 |
| Ebenezer R. Hoar | 1873–1875 | Massachusetts | Republican | 1816–1895 |
| George F. Hoar | 1869–1877 | Massachusetts | Republican | 1826–1904 |
| Rockwood Hoar | 1905–1906 | Massachusetts | Republican | 1855–1906 |
| Samuel Hoar | 1835–1837 | Massachusetts | National Republican | 1778–1856 |
| Sherman Hoar | 1891–1893 | Massachusetts | Democratic | 1860–1898 |
| Charles B. Hoard | 1857–1861 | New York | Republican | 1805–1886 |
| Aaron Hobart | 1820–1825 | Massachusetts | Democratic-Republican | 1787–1858 |
| Aaron Hobart | 1825–1827 | Massachusetts | National Republican | 1787–1858 |
| Selah R. Hobbie | 1827–1829 | New York | Democratic | 1797–1854 |
| Sam Hobbs | 1935–1951 | Alabama | Democratic | 1887–1952 |
| Fetter Schrier Hoblitzell | 1881–1885 | Maryland | Democratic | 1838–1900 |
| Dave Hobson | 1991–2009 | Ohio | Republican | 1936–2024 |
| Richmond P. Hobson | 1907–1915 | Alabama | Democratic | 1870–1937 |
| Daniel K. Hoch | 1943–1947 | Pennsylvania | Democratic | 1866–1960 |
| Homer Hoch | 1919–1933 | Kansas | Republican | 1879–1949 |
| George Hochbrueckner | 1987–1995 | New York | Democratic | 1938–present |
| Kathy Hochul | 2011–2013 | New York | Democratic | 1958–present |
| Paul Hodes | 2007–2011 | New Hampshire | Democratic | 1951–present |
| Asa Hodges | 1873–1875 | Arkansas | Republican | 1822–1900 |
| Charles D. Hodges | 1859 | Illinois | Democratic | 1810–1884 |
| George T. Hodges | 1856–1857 | Vermont | Republican | 1789–1860 |
| James L. Hodges | 1827–1833 | Massachusetts | National Republican | 1790–1846 |
| Joe Hoeffel | 1999–2005 | Pennsylvania | Democratic | 1950–present |
| Pete Hoekstra | 1993–2011 | Michigan | Republican | 1953–present |
| John H. Hoeppel | 1933–1937 | California | Democratic | 1881–1976 |
| Charles B. Hoeven | 1943–1965 | Iowa | Republican | 1895–1980 |
| Clyde R. Hoey | 1919–1921 | North Carolina | Democratic | 1877–1954 |
| John H. Hoffecker | 1899–1900 | Delaware | Republican | 1827–1900 |
| Walter O. Hoffecker | 1900–1901 | Delaware | Republican | 1854–1934 |
| Carl H. Hoffman | 1946–1947 | Pennsylvania | Republican | 1896–1980 |
| Clare Hoffman | 1935–1963 | Michigan | Republican | 1875–1967 |
| Elmer J. Hoffman | 1959–1965 | Illinois | Republican | 1899–1976 |
| Harold G. Hoffman | 1927–1931 | New Jersey | Republican | 1896–1954 |
| Henry William Hoffman | 1855–1857 | Maryland | American | 1825–1895 |
| Michael Hoffman | 1825–1833 | New York | Democratic | 1787–1848 |
| Ogden Hoffman | 1837–1841 | New York | Whig | 1794–1856 |
| Richard W. Hoffman | 1949–1957 | Illinois | Republican | 1893–1975 |
| Earl Hogan | 1959–1961 | Indiana | Democratic | 1920–2007 |
| John Hogan | 1865–1867 | Missouri | Democratic | 1805–1892 |
| Lawrence Hogan | 1969–1975 | Maryland | Republican | 1928–2017 |
| Michael J. Hogan | 1921–1923 | New York | Republican | 1871–1940 |
| William Hogan | 1831–1833 | New York | Democratic | 1792–1874 |
| John Hoge | 1804–1805 | Pennsylvania | Democratic-Republican | 1760–1824 |
| John B. Hoge | 1881–1883 | West Virginia | Democratic | 1825–1896 |
| Joseph P. Hoge | 1843–1847 | Illinois | Democratic | 1810–1891 |
| Solomon L. Hoge | 1869–1871 1875–1877 | South Carolina | Republican | 1836–1909 |
| William Hoge | 1801–1804 1807–1809 | Pennsylvania | Democratic-Republican | 1762–1814 |
| James L. Hogeboom | 1823–1825 | New York | Democratic–Republican | 1766–1839 |
| Charles E. Hogg | 1887–1889 | West Virginia | Democratic | 1852–1935 |
| David Hogg | 1925–1933 | Indiana | Republican | 1886–1973 |
| Herschel M. Hogg | 1903–1907 | Colorado | Republican | 1853–1934 |
| Robert Lynn Hogg | 1930–1933 | West Virginia | Republican | 1893–1973 |
| Samuel E. Hogg | 1817–1819 | Tennessee | Democratic-Republican | 1783–1842 |
| Einar Hoidale | 1933–1935 | Minnesota | Democratic | 1870–1952 |
| Martin Hoke | 1993–1997 | Ohio | Republican | 1952–present |
| William P. Holaday | 1923–1933 | Illinois | Republican | 1882–1946 |
| Greg J. Holbrock | 1941–1943 | Ohio | Democratic | 1906–1992 |
| Edward D. Holbrook | 1865–1869 | Idaho | Democratic | 1836–1870 |
| George Holcombe | 1821–1825 | New Jersey | Democratic-Republican | 1786–1828 |
| George Holcombe | 1825–1828 | New Jersey | Democratic | 1786–1828 |
| Tim Holden | 1993–2013 | Pennsylvania | Democratic | 1957–present |
| George Holding | 2013–2021 | North Carolina | Republican | 1968–present |
| Chet Holifield | 1943–1974 | California | Democratic | 1903–1995 |
| Alexander Holladay | 1849–1853 | Virginia | Democratic | 1811–1877 |
| Cornelius Holland | 1830–1833 | Maine | Democratic | 1783–1870 |
| Edward E. Holland | 1911–1921 | Virginia | Democratic | 1861–1941 |
| Elmer J. Holland | 1942–1943 1956–1968 | Pennsylvania | Democratic | 1894–1968 |
| James Holland | 1795–1797 1801–1811 | North Carolina | Democratic-Republican | 1754–1823 |
| Kenneth Lamar Holland | 1975–1983 | South Carolina | Democratic | 1934–2021 |
| Joel Holleman | 1839–1840 | Virginia | Democratic | 1799–1844 |
| Harold C. Hollenbeck | 1977–1983 | New Jersey | Republican | 1938–present |
| John M. Holley | 1847–1848 | New York | Whig | 1802–1848 |
| Elias S. Holliday | 1901–1909 | Indiana | Republican | 1842–1936 |
| David Hollingsworth | 1909–1911 1915–1919 | Ohio | Republican | 1844–1929 |
| Trey Hollingsworth | 2017–2023 | Indiana | Republican | 1983–present |
| John B. Hollister | 1931–1937 | Ohio | Republican | 1890–1979 |
| Clyde C. Holloway | 1987–1993 | Louisiana | Republican | 1943–2016 |
| David P. Holloway | 1855–1857 | Indiana | Oppositionist | 1809–1883 |
| William S. Holman | 1859–1865 1867–1877 1881–1895 1897 | Indiana | Democratic | 1822–1897 |
| Adoniram J. Holmes | 1883–1889 | Iowa | Republican | 1842–1902 |
| Charles H. Holmes | 1870–1871 | New York | Republican | 1827–1874 |
| David Holmes | 1797–1809 | Virginia | Democratic-Republican | 1769–1832 |
| Elias B. Holmes | 1845–1849 | New York | Whig | 1807–1866 |
| Gabriel Holmes | 1825–1829 | North Carolina | Democratic | 1769–1829 |
| Hal Holmes | 1943–1959 | Washington | Republican | 1902–1977 |
| Isaac E. Holmes | 1839–1851 | South Carolina | Democratic | 1796–1867 |
| John Holmes | 1817–1820 | Massachusetts | Democratic-Republican | 1773–1843 |
| Pehr G. Holmes | 1931–1947 | Massachusetts | Republican | 1881–1952 |
| Sidney T. Holmes | 1865–1867 | New York | Republican | 1815–1890 |
| Uriel Holmes | 1817–1818 | Connecticut | Federalist | 1764–1827 |
| Hopkins Holsey | 1835–1839 | Georgia | Democratic | 1779–1859 |
| Hines Holt | 1841 | Georgia | Whig | 1805–1865 |
| Joseph F. Holt | 1953–1961 | California | Republican | 1924–1997 |
| Marjorie Holt | 1973–1987 | Maryland | Republican | 1920–2018 |
| Orrin Holt | 1836–1839 | Connecticut | Democratic | 1792–1855 |
| Rush Holt Jr. | 1999–2015 | New Jersey | Democratic | 1948–present |
| Samuel Holten | 1793–1795 | Massachusetts | Anti-Administration | 1738–1816 |
| Hart Benton Holton | 1883–1885 | Maryland | Republican | 1835–1907 |
| Elizabeth Holtzman | 1973–1981 | New York | Democratic | 1941–present |
| Lester Holtzman | 1953–1961 | New York | Democratic | 1913–2002 |
| Mike Honda | 2001–2017 | California | Democratic | 1941–present |
| Nan Wood Honeyman | 1937–1939 | Oregon | Democratic | 1881–1970 |
| George E. Hood | 1915–1919 | North Carolina | Democratic | 1875–1960 |
| Enos Hook | 1839–1841 | Pennsylvania | Democratic | 1804–1841 |
| Frank Eugene Hook | 1935–1943 1945–1947 | Michigan | Democratic | 1893–1982 |
| Charles E. Hooker | 1875–1883 1887–1895 1901–1903 | Mississippi | Democratic | 1825–1914 |
| J. Murray Hooker | 1921–1925 | Virginia | Democratic | 1873–1940 |
| Warren B. Hooker | 1891–1898 | New York | Republican | 1856–1920 |
| Charles Hooks | 1816–1817 1819–1825 | North Carolina | Democratic-Republican | 1768–1843 |
| Darlene Hooley | 1997–2009 | Oregon | Democratic | 1939–present |
| Benjamin S. Hooper | 1883–1885 | Virginia | Readjuster | 1835–1898 |
| Joseph L. Hooper | 1925–1934 | Michigan | Republican | 1877–1934 |
| Samuel Hooper | 1861–1875 | Massachusetts | Republican | 1808–1875 |
| William Henry Hooper | 1859–1861 1865–1873 | Utah | Democratic | 1813–1882 |
| Clifford R. Hope | 1927–1957 | Kansas | Republican | 1893–1970 |
| Albert Cole Hopkins | 1891–1895 | Pennsylvania | Republican | 1837–1911 |
| Albert J. Hopkins | 1885–1903 | Illinois | Republican | 1846–1922 |
| Benjamin F. Hopkins | 1867–1870 | Wisconsin | Republican | 1829–1870 |
| David W. Hopkins | 1929–1933 | Missouri | Republican | 1897–1968 |
| Francis A. Hopkins | 1903–1907 | Kentucky | Democratic | 1853–1918 |
| George W. Hopkins | 1835–1839 | Virginia | Democratic | 1804–1861 |
| George W. Hopkins | 1839–1841 | Virginia | Conservative | 1804–1861 |
| George W. Hopkins | 1841–1847 1857–1859 | Virginia | Democratic | 1804–1861 |
| James Herron Hopkins | 1875–1877 1883–1885 | Pennsylvania | Democratic | 1832–1904 |
| Larry J. Hopkins | 1979–1993 | Kentucky | Republican | 1933–2021 |
| Nathan T. Hopkins | 1897 | Kentucky | Republican | 1852–1927 |
| Samuel Hopkins | 1813–1815 | Kentucky | Democratic-Republican | 1753–1819 |
| Samuel I. Hopkins | 1887–1889 | Virginia | Labor | 1843–1914 |
| Samuel M. Hopkins | 1813–1815 | New York | Federalist | 1772–1837 |
| Stephen T. Hopkins | 1887–1889 | New York | Republican | 1849–1892 |
| Joseph Hopkinson | 1815–1819 | Pennsylvania | Federalist | 1770–1842 |
| Robert Freeman Hopwood | 1915–1917 | Pennsylvania | Republican | 1856–1940 |
| Walt Horan | 1943–1965 | Washington | Republican | 1898–1966 |
| Henry Horn | 1831–1833 | Pennsylvania | Democratic | 1786–1862 |
| Joan Kelly Horn | 1991–1993 | Missouri | Democratic | 1936–present |
| Kendra Horn | 2019–2021 | Oklahoma | Democratic | 1976–present |
| Steve Horn | 1993–2003 | California | Republican | 1931–2011 |
| John Westbrook Hornbeck | 1847–1848 | Pennsylvania | Whig | 1804–1848 |
| Lynn Hornor | 1931–1933 | West Virginia | Democratic | 1874–1933 |
| Ralph Horr | 1931–1933 | Washington | Republican | 1884–1960 |
| Roswell G. Horr | 1879–1885 | Michigan | Republican | 1830–1896 |
| Jerediah Horsford | 1851–1853 | New York | Whig | 1791–1875 |
| Frank Horton | 1963–1993 | New York | Republican | 1919–2004 |
| Frank O. Horton | 1939–1941 | Wyoming | Republican | 1882–1948 |
| Thomas R. Horton | 1855–1857 | New York | Oppositionist | 1823–1894 |
| Valentine B. Horton | 1855–1859 1861–1863 | Ohio | Republican | 1802–1888 |
| George Gilbert Hoskins | 1873–1877 | New York | Republican | 1824–1893 |
| Craig Hosmer | 1953–1974 | California | Republican | 1915–1982 |
| Hezekiah L. Hosmer | 1797–1799 | New York | Federalist | 1765–1814 |
| Abraham J. Hostetler | 1879–1881 | Indiana | Democratic | 1818–1899 |
| Jacob Hostetter | 1818–1821 | Pennsylvania | Democratic-Republican | 1754–1831 |
| John Hostettler | 1995–2007 | Indiana | Republican | 1961–present |
| Giles W. Hotchkiss | 1863–1867 1869–1871 | New York | Republican | 1815–1878 |
| Julius Hotchkiss | 1867–1869 | Connecticut | Democratic | 1810–1878 |
| Jacob Houck Jr. | 1841–1843 | New York | Democratic | 1801–1857 |
| David Hough | 1803–1807 | New Hampshire | Federalist | 1753–1831 |
| William J. Hough | 1845–1847 | New York | Democratic | 1795–1869 |
| Alanson B. Houghton | 1919–1922 | New York | Republican | 1863–1941 |
| Amo Houghton | 1987–2005 | New York | Republican | 1926–2020 |
| Sherman Otis Houghton | 1871–1875 | California | Republican | 1828–1914 |
| George W. Houk | 1891–1894 | Ohio | Democratic | 1825–1894 |
| John C. Houk | 1891–1895 | Tennessee | Republican | 1860–1923 |
| Leonidas C. Houk | 1879–1891 | Tennessee | Republican | 1836–1891 |
| John Ford House | 1875–1883 | Tennessee | Democratic | 1827–1904 |
| Julius Houseman | 1883–1885 | Michigan | Democratic | 1832–1891 |
| George S. Houston | 1841–1849 1851–1861 | Alabama | Democratic | 1811–1879 |
| Henry A. Houston | 1903–1905 | Delaware | Democratic | 1847–1925 |
| John Mills Houston | 1935–1943 | Kansas | Democratic | 1890–1975 |
| John W. Houston | 1845–1851 | Delaware | Whig | 1814–1896 |
| Robert G. Houston | 1925–1933 | Delaware | Republican | 1867–1946 |
| Sam Houston | 1823–1825 | Tennessee | Democratic-Republican | 1793–1863 |
| Sam Houston | 1825–1827 | Tennessee | Democratic | 1793–1863 |
| Victor S. K. Houston | 1927–1933 | Hawaii | Republican | 1876–1959 |
| William C. Houston | 1905–1919 | Tennessee | Democratic | 1852–1931 |
| Alvin Peterson Hovey | 1887–1889 | Indiana | Republican | 1821–1891 |
| Benjamin Howard | 1807–1810 | Kentucky | Democratic-Republican | 1760–1814 |
| Benjamin Chew Howard | 1829–1833 1835–1839 | Maryland | Democratic | 1791–1872 |
| Edgar Howard | 1923–1935 | Nebraska | Democratic | 1858–1951 |
| Everette B. Howard | 1919–1921 1923–1925 1927–1929 | Oklahoma | Democratic | 1873–1950 |
| Jacob M. Howard | 1841–1843 | Michigan | Whig | 1805–1871 |
| James J. Howard | 1965–1988 | New Jersey | Democratic | 1927–1988 |
| Jonas G. Howard | 1885–1889 | Indiana | Democratic | 1825–1911 |
| Milford W. Howard | 1895–1899 | Alabama | Populist | 1862–1937 |
| Tilghman Howard | 1839–1840 | Indiana | Democratic | 1797–1844 |
| Volney Howard | 1849–1853 | Texas | Democratic | 1809–1889 |
| William Howard | 1859–1861 | Ohio | Democratic | 1817–1891 |
| William Alanson Howard | 1855–1857 | Michigan | Oppositionist | 1813–1880 |
| William Alanson Howard | 1857–1859 1860–1861 | Michigan | Republican | 1813–1880 |
| William M. Howard | 1897–1911 | Georgia | Democratic | 1857–1932 |
| William S. Howard | 1911–1919 | Georgia | Democratic | 1875–1953 |
| Albert R. Howe | 1873–1875 | Mississippi | Republican | 1840–1884 |
| Allan Howe | 1975–1977 | Utah | Democratic | 1927–2000 |
| James R. Howe | 1895–1899 | New York | Republican | 1839–1914 |
| John W. Howe | 1849–1851 | Pennsylvania | Free Soiler | 1801–1873 |
| John W. Howe | 1841–1853 | Pennsylvania | Whig | 1801–1873 |
| Thomas M. Howe | 1851–1855 | Pennsylvania | Whig | 1808–1877 |
| Thomas Y. Howe Jr. | 1851–1853 | New York | Democratic | 1801–1860 |
| Benjamin Franklin Howell | 1895–1911 | New Jersey | Republican | 1844–1933 |
| Charles R. Howell | 1949–1955 | New Jersey | Democratic | 1904–1973 |
| Edward Howell | 1833–1835 | New York | Democratic | 1792–1871 |
| Elias Howell | 1835–1837 | Ohio | Whig | 1792–1844 |
| George Howell | 1903–1904 | Pennsylvania | Democratic | 1859–1913 |
| George Evan Howell | 1941–1947 | Illinois | Republican | 1905–1980 |
| Joseph Howell | 1903–1917 | Utah | Republican | 1857–1918 |
| Nathaniel W. Howell | 1813–1815 | New York | Federalist | 1770–1851 |
| Benjamin Franklin Howey | 1883–1885 | New Jersey | Republican | 1828–1893 |
| L. Paul Howland | 1907–1913 | Ohio | Republican | 1865–1942 |
| Stephen A. Hoxworth | 1913–1915 | Illinois | Democratic | 1860–1930 |
| Roman Hruska | 1953–1954 | Nebraska | Republican | 1904–1999 |
| Edmund W. Hubard | 1841–1847 | Virginia | Democratic | 1806–1878 |
| Asahel W. Hubbard | 1863–1869 | Iowa | Republican | 1819–1879 |
| Carroll Hubbard | 1975–1993 | Kentucky | Democratic | 1937–2022 |
| Chester D. Hubbard | 1865–1867 | West Virginia | Unconditional Unionist | 1814–1891 |
| Chester D. Hubbard | 1867–1869 | West Virginia | Republican | 1814–1891 |
| David Hubbard | 1839–1841 1849–1851 | Alabama | Democratic | 1792–1874 |
| Demas Hubbard Jr. | 1865–1867 | New York | Republican | 1806–1873 |
| Elbert H. Hubbard | 1905–1912 | Iowa | Republican | 1849–1912 |
| Henry Hubbard | 1829–1835 | New Hampshire | Democratic | 1784–1857 |
| Joel Douglas Hubbard | 1895–1897 | Missouri | Republican | 1860–1919 |
| John Henry Hubbard | 1863–1867 | Connecticut | Republican | 1804–1872 |
| Jonathan Hatch Hubbard | 1809–1811 | Vermont | Federalist | 1768–1849 |
| Levi Hubbard | 1813–1815 | Massachusetts | Democratic-Republican | 1762–1836 |
| Richard D. Hubbard | 1867–1869 | Connecticut | Democratic | 1818–1884 |
| Samuel Dickinson Hubbard | 1845–1849 | Connecticut | Whig | 1799–1855 |
| Thomas H. Hubbard | 1817–1819 1821–1823 | New York | Democratic–Republican | 1781–1857 |
| William Pallister Hubbard | 1907–1911 | West Virginia | Republican | 1843–1921 |
| Edwin N. Hubbell | 1865–1867 | New York | Democratic | 1815–1897 |
| James Randolph Hubbell | 1865–1867 | Ohio | Republican | 1824–1890 |
| Jay Abel Hubbell | 1873–1883 | Michigan | Republican | 1829–1900 |
| William S. Hubbell | 1843–1845 | New York | Democratic | 1801–1873 |
| Orlando Hubbs | 1881–1883 | North Carolina | Republican | 1840–1930 |
| Robert J. Huber | 1973–1975 | Michigan | Republican | 1922–2001 |
| Walter B. Huber | 1945–1951 | Ohio | Democratic | 1903–1982 |
| Edward Burd Hubley | 1835–1839 | Pennsylvania | Democratic | 1792–1856 |
| Winnifred Sprague Mason Huck | 1922–1923 | Illinois | Republican | 1882–1936 |
| Jerry Huckaby | 1977–1993 | Louisiana | Democratic | 1941–present |
| Thomas R. Hudd | 1886–1889 | Wisconsin | Democratic | 1835–1896 |
| George Huddleston | 1915–1937 | Alabama | Democratic | 1869–1960 |
| George Huddleston Jr. | 1955–1965 | Alabama | Democratic | 1920–1971 |
| William H. Hudnut III | 1973–1975 | Indiana | Republican | 1932–2016 |
| Charles Hudson | 1841–1849 | Massachusetts | Whig | 1795–1881 |
| Grant M. Hudson | 1923–1931 | Michigan | Republican | 1868–1955 |
| Thomas Jefferson Hudson | 1893–1895 | Kansas | Populist | 1839–1923 |
| Claude Benton Hudspeth | 1919–1931 | Texas | Democratic | 1877–1941 |
| Tim Huelskamp | 2011–2017 | Kansas | Republican | 1968–present |
| George F. Huff | 1891–1893 1895–1897 1903–1911 | Pennsylvania | Republican | 1842–1912 |
| Michael Huffington | 1993–1995 | California | Republican | 1947–present |
| Jacob Hufty | 1809–1813 | New Jersey | Democratic-Republican | 1750–1814 |
| Jacob Hufty | 1813–1814 | New Jersey | Federalist | 1750–1814 |
| Benjamin Huger | 1799–1805 1815–1817 | South Carolina | Federalist | 1768–1823 |
| Daniel Huger | 1789–1793 | South Carolina | Pro-Administration | 1742–1799 |
| Charles Hughes | 1853–1855 | New York | Democratic | 1822–1887 |
| Dudley M. Hughes | 1909–1917 | Georgia | Democratic | 1848–1927 |
| George Wurtz Hughes | 1859–1861 | Maryland | Democratic | 1806–1870 |
| James Hughes | 1857–1859 | Indiana | Democratic | 1823–1873 |
| James A. Hughes | 1901–1915 1927–1930 | West Virginia | Republican | 1861–1930 |
| James F. Hughes | 1933–1935 | Wisconsin | Democratic | 1883–1940 |
| James Madison Hughes | 1843–1845 | Missouri | Democratic | 1809–1861 |
| Thomas H. Hughes | 1829–1833 | New Jersey | National Republican | 1769–1839 |
| William Hughes | 1903–1905 1907–1912 | New Jersey | Democratic | 1872–1918 |
| William J. Hughes | 1975–1995 | New Jersey | Democratic | 1932–2019 |
| Jonas A. Hughston | 1855–1857 | New York | Oppositionist | 1808–1862 |
| Daniel Hugunin Jr. | 1825–1827 | New York | National Republican | 1790–1850 |
| Theodore W. Hukriede | 1921–1923 | Missouri | Republican | 1878–1945 |
| George Murray Hulbert | 1915–1918 | New York | Democratic | 1881–1950 |
| John W. Hulbert | 1814–1817 | Massachusetts | Federalist | 1770–1831 |
| Calvin T. Hulburd | 1863–1869 | New York | Republican | 1809–1897 |
| George W. Hulick | 1893–1897 | Ohio | Republican | 1833–1907 |
| James Hall Huling | 1895–1897 | West Virginia | Republican | 1844–1918 |
| Willis James Hulings | 1913–1915 | Pennsylvania | Progressive | 1850–1924 |
| Willis James Hulings | 1919–1921 | Pennsylvania | Republican | 1850–1924 |
| Cordell Hull | 1907–1921 1923–1931 | Tennessee | Democratic | 1871–1955 |
| Harry E. Hull | 1915–1925 | Iowa | Republican | 1864–1938 |
| John A. T. Hull | 1891–1911 | Iowa | Republican | 1841–1928 |
| Merlin Hull | 1929–1931 | Wisconsin | Republican | 1870–1953 |
| Merlin Hull | 1935–1947 | Wisconsin | Progressive | 1870–1953 |
| Merlin Hull | 1947–1953 | Wisconsin | Republican | 1870–1953 |
| Morton D. Hull | 1923–1933 | Illinois | Republican | 1867–1937 |
| Noble A. Hull | 1879–1881 | Florida | Democratic | 1827–1907 |
| William E. Hull | 1923–1933 | Illinois | Republican | 1866–1942 |
| William R. Hull Jr. | 1955–1973 | Missouri | Democratic | 1906–1977 |
| Kenny Hulshof | 1997–2009 | Missouri | Republican | 1958–present |
| Randy Hultgren | 2011–2019 | Illinois | Republican | 1966–present |
| Augustin Reed Humphrey | 1922–1923 | Nebraska | Republican | 1859–1937 |
| Charles Humphrey | 1825–1827 | New York | National Republican | 1792–1850 |
| Herman L. Humphrey | 1877–1883 | Wisconsin | Republican | 1830–1902 |
| James Humphrey | 1859–1861 1865–1866 | New York | Republican | 1811–1866 |
| James M. Humphrey | 1865–1869 | New York | Democratic | 1819–1899 |
| Reuben Humphrey | 1807–1809 | New York | Democratic–Republican | 1757–1831 |
| William Humphrey | 1903–1917 | Washington | Republican | 1862–1934 |
| Andrew Humphreys | 1876–1877 | Indiana | Democratic | 1821–1904 |
| Benjamin G. Humphreys II | 1903–1923 | Mississippi | Democratic | 1865–1923 |
| Parry Wayne Humphreys | 1813–1815 | Tennessee | Democratic-Republican | 1778–1839 |
| William Y. Humphreys | 1923–1925 | Mississippi | Democratic | 1890–1933 |
| William L. Hungate | 1964–1977 | Missouri | Democratic | 1922–2007 |
| John N. Hungerford | 1877–1879 | New York | Republican | 1825–1883 |
| John P. Hungerford | 1811 1813–1817 | Virginia | Democratic-Republican | 1761–1833 |
| Orville Hungerford | 1843–1847 | New York | Democratic | 1790–1851 |
| Carleton Hunt | 1883–1885 | Louisiana | Democratic | 1836–1921 |
| Hiram P. Hunt | 1835–1837 | New York | National Republican | 1796–1865 |
| Hiram P. Hunt | 1839–1843 | New York | Whig | 1796–1865 |
| James B. Hunt | 1843–1847 | Michigan | Democratic | 1799–1857 |
| John E. Hunt | 1967–1975 | New Jersey | Republican | 1908–1989 |
| John T. Hunt | 1903–1907 | Missouri | Democratic | 1860–1916 |
| Jonathan Hunt | 1827–1832 | Vermont | National Republican | 1787–1832 |
| Samuel Hunt | 1802–1805 | New Hampshire | Federalist | 1765–1807 |
| Theodore Gaillard Hunt | 1853–1855 | Louisiana | Whig | 1805–1893 |
| Washington Hunt | 1843–1849 | New York | Whig | 1811–1867 |
| Allan O. Hunter | 1951–1955 | California | Republican | 1916–1995 |
| Andrew J. Hunter | 1893–1895 1897–1899 | Illinois | Democratic | 1831–1913 |
| Duncan D. Hunter | 2009–2020 | California | Republican | 1976–present |
| Duncan L. Hunter | 1981–2009 | California | Republican | 1948–present |
| John Hunter | 1793–1795 | South Carolina | Anti-Administration | c. 1750–1802 |
| John F. Hunter | 1937–1943 | Ohio | Democratic | 1896–1957 |
| John W. Hunter | 1866–1867 | New York | Democratic | 1807–1900 |
| Morton C. Hunter | 1867–1869 1873–1879 | Indiana | Republican | 1825–1896 |
| Narsworthy Hunter | 1801–1802 | Mississippi | Democratic-Republican | c. 1756–1802 |
| Robert M. T. Hunter | 1837–1843 | Virginia | Whig | 1809–1887 |
| Robert M. T. Hunter | 1845–1847 | Virginia | Democratic | 1809–1887 |
| W. Godfrey Hunter | 1887–1889 1895–1897 1903–1905 | Kentucky | Republican | 1841–1917 |
| William Hunter | 1817–1819 | Vermont | Democratic-Republican | 1754–1827 |
| William F. Hunter | 1849–1853 | Ohio | Whig | 1808–1874 |
| William H. Hunter | 1837–1839 | Ohio | Democratic | ????–1842 |
| Abel Huntington | 1833–1837 | New York | Democratic | 1777–1858 |
| Benjamin Huntington | 1789–1791 | Connecticut | Pro-Administration | 1736–1800 |
| Ebenezer Huntington | 1810–1811 1817–1819 | Connecticut | Federalist | 1754–1834 |
| Jabez W. Huntington | 1829–1834 | Connecticut | National Republican | 1788–1847 |
| Eppa Hunton | 1873–1881 | Virginia | Democratic | 1822–1908 |
| Adam Huntsman | 1835–1837 | Tennessee | Democratic | 1786–1849 |
| Joseph Oliva Huot | 1965–1967 | New Hampshire | Democratic | 1917–1983 |
| Frank H. Hurd | 1875–1877 1879–1881 1883–1885 | Ohio | Democratic | 1840–1896 |
| Will Hurd | 2015–2021 | Texas | Republican | 1977–present |
| Stephen A. Hurlbut | 1873–1877 | Illinois | Republican | 1815–1882 |
| Denis M. Hurley | 1895–1899 | New York | Republican | 1843–1899 |
| Robert Hurt | 2011–2017 | Virginia | Republican | 1969–present |
| James W. Husted | 1915–1923 | New York | Republican | 1870–1925 |
| Joseph Chappell Hutcheson | 1893–1897 | Texas | Democratic | 1842–1924 |
| John Hutchins | 1859–1863 | Ohio | Republican | 1812–1891 |
| Waldo Hutchins | 1879–1885 | New York | Democratic | 1822–1891 |
| Wells A. Hutchins | 1863–1865 | Ohio | Democratic | 1818–1895 |
| Asa Hutchinson | 1997–2001 | Arkansas | Republican | 1950–present |
| Edward Hutchinson | 1963–1977 | Michigan | Republican | 1914–1985 |
| Elijah C. Hutchinson | 1915–1923 | New Jersey | Republican | 1855–1932 |
| John G. Hutchinson | 1980–1981 | West Virginia | Democratic | 1935–2024 |
| Tim Hutchinson | 1993–1997 | Arkansas | Republican | 1949–present |
| Earl Hutto | 1979–1995 | Florida | Democratic | 1926–2020 |
| John E. Hutton | 1885–1889 | Missouri | Democratic | 1828–1893 |
| John Huyler | 1857–1859 | New Jersey | Democratic | 1808–1870 |
| DeWitt Hyde | 1953–1959 | Maryland | Republican | 1909–1986 |
| Henry Hyde | 1975–2007 | Illinois | Republican | 1924–2007 |
| Ira B. Hyde | 1873–1875 | Missouri | Republican | 1838–1926 |
| Samuel C. Hyde | 1895–1897 | Washington | Republican | 1842–1922 |
| John Adams Hyman | 1875–1877 | North Carolina | Republican | 1840–1891 |
| John M. Hyneman | 1811–1813 | Pennsylvania | Democratic-Republican | 1771–1816 |
| William Joseph Hynes | 1873–1875 | Arkansas | Liberal Republican | 1843–1915 |