# List of United States representatives from Ohio

The following is an alphabetical list of members of the United States House of Representatives from the state of Ohio. For chronological tables of members of both houses of the United States Congress from the state (through the present day), see United States congressional delegations from Ohio.

## Current representatives

Last updated January 3, 2025
* 1st district: Greg Landsman (D) (since 2023)
* 2nd district: David Taylor (R) (since 2025)
* 3rd district: Joyce Beatty (D) (since 2013)
* 4th district: Jim Jordan (R) (since 2007)
* 5th district: Bob Latta (R) (since 2007)
* 6th district: Michael Rulli (R) (since 2024)
* 7th district: Max Miller (R) (since 2023)
* 8th district: Warren Davidson (R) (since 2016)
* 9th district: Marcy Kaptur (D) (since 1983)
* 10th district: Mike Turner (R) (since 2003)
* 11th district: Shontel Brown (D) (since 2021)
* 12th district: Troy Balderson (R) (since 2018)
* 13th district: Emilia Sykes (D) (since 2023)
* 14th district: David Joyce (R) (since 2013)
* 15th district: Mike Carey (R) (since 2021)

## List of members of the U.S. House of Representatives

| Member | Party | Years | District | Electoral history |
| Pete Abele | Republican | January 3, 1963 – January 3, 1965 | 10th | Lost re-election |
| Walter H. Albaugh | Republican | November 8, 1938 – January 3, 1939 | 4th | Elected to finish Frank L. Kloeb's term Retired |
| Charles J. Albright | Opposition | March 4, 1855 – March 3, 1857 | 17th | Lost re-election |
| Arthur W. Aleshire | Democratic | January 3, 1937 – January 3, 1939 | 7th | [data missing] |
| James Alexander Jr. | Whig | March 4, 1837 – March 4, 1839 | 11th | [data missing] |
| John Alexander | Democratic-Republican | March 4, 1813 – March 4, 1817 | 2nd | [data missing] |
| Alfred G. Allen | Democratic | March 4, 1911 – March 4, 1917 | 2nd | [data missing] |
| John W. Allen | Whig | March 4, 1837 – March 4, 1841 | 15th | [data missing] |
| William Allen | Democratic | March 4, 1859 – March 4, 1863 | 4th | [data missing] |
| William Allen | Jacksonian | March 4, 1833 – March 4, 1835 | 7th | [data missing] |
| Jacob A. Ambler | Republican | March 4, 1869 – March 4, 1873 | 17th | [data missing] |
| Carl C. Anderson | Democratic | March 4, 1909 – October 1, 1912 | 13th | Died |
| Charles Marley Anderson | Democratic | March 4, 1885 – March 4, 1887 | 4th | [data missing] |
| Sherlock J. Andrews | Whig | March 4, 1841 – March 4, 1843 | 15th | [data missing] |
| Timothy T. Ansberry | Democratic | March 4, 1907 – January 9, 1915 | 5th | Resigned when appointed to the Ohio Court of Appeals |
| Douglas Applegate | Democratic | January 3, 1977 – January 3, 1995 | 18th | [data missing] |
| Jean Spencer Ashbrook | Republican | June 29, 1982 – January 3, 1983 | 17th | [data missing] |
| John M. Ashbrook | Republican | January 3, 1961 – April 24, 1982 | 17th | Died |
| William A. Ashbrook | Democratic | March 4, 1907 – March 4, 1921 | 17th | [data missing] |
| William A. Ashbrook | Democratic | January 3, 1935 – January 1, 1940 | 17th | Died |
| James Mitchell Ashley | Republican | March 4, 1859 – March 4, 1863 | 5th | [data missing] |
| James Mitchell Ashley | Republican | March 4, 1863 – March 4, 1869 | 10th | [data missing] |
| Thomas W. L. Ashley | Democratic | January 3, 1955 – January 3, 1981 | 9th | [data missing] |
| Gibson Atherton | Democratic | March 4, 1879 – March 4, 1881 | 14th | [data missing] |
| Gibson Atherton | Democratic | March 4, 1881 – March 4, 1883 | 13th | [data missing] |
| Steve Austria | Republican | January 3, 2009 – January 3, 2013 | 7th | [data missing] |
| William H. Ayres | Republican | January 3, 1951 – January 3, 1971 | 14th | [data missing] |
| John J. Babka | Democratic | March 4, 1919 – March 4, 1921 | 21st | [data missing] |
| De Witt Clinton Badger | Democratic | March 4, 1903 – March 4, 1905 | 12th | [data missing] |
| Joe E. Baird | Republican | March 4, 1929 – March 4, 1931 | 13th | [data missing] |
| Troy Balderson | Republican | September 5, 2018 – present | 12th | Incumbent |
| Edward Ball | Whig | March 4, 1853 – March 4, 1855 | 16th | [data missing] |
| Edward Ball | Opposition | March 4, 1855 – March 4, 1857 | 16th | [data missing] |
| Henry B. Banning | Liberal Republican | March 4, 1873 – March 4, 1875 | 2nd | [data missing] |
| Henry B. Banning | Democratic | March 4, 1875 – March 4, 1879 | 2nd | [data missing] |
| Henry T. Bannon | Republican | March 4, 1905 – March 4, 1909 | 10th | [data missing] |
| Levi Barber | Democratic-Republican | March 4, 1817 – March 4, 1819 | 3rd | [data missing] |
| Levi Barber | Democratic-Republican | March 4, 1821 – March 4, 1823 | 3rd | [data missing] |
| Nelson Barrere | Whig | March 4, 1851 – March 4, 1853 | 7th | [data missing] |
| Mordecai Bartley | Democratic-Republican | March 4, 1823 – March 4, 1825 | 14th | [data missing] |
| Mordecai Bartley | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | 14th | [data missing] |
| Mordecai Bartley | Anti-Jacksonian | March 4, 1829 – March 4, 1831 | 14th | [data missing] |
| Ellsworth Raymond Bathrick | Democratic | March 4, 1911 – March 4, 1915 | 19th | [data missing] |
| Ellsworth Raymond Bathrick | Democratic | March 4, 1917 – December 23, 1917 | 14th | Died |
| A. David Baumhart Jr. | Republican | January 3, 1941 – September 2, 1942 | 13th | Resigned after receiving a commission in the United States Navy |
| A. David Baumhart Jr. | Republican | January 3, 1955 – January 3, 1961 | 13th | [data missing] |
| Clifton Bailey Beach | Republican | March 4, 1895 – March 4, 1899 | 20th | [data missing] |
| Reasin Beall | Democratic-Republican | April 20, 1813 – June 7, 1814 | 6th | Resigned |
| John Beatty | Republican | February 5, 1868 – March 4, 1873 | 8th | [data missing] |
| Joyce Beatty | Democratic | January 3, 2013 – present | 3rd | Incumbent |
| Philemon Beecher | Democratic-Republican | March 4, 1817 – March 4, 1821 | 5th | [data missing] |
| Philemon Beecher | Democratic-Republican | March 4, 1823 – March 4, 1825 | 9th | [data missing] |
| Philemon Beecher | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | 9th | [data missing] |
| James T. Begg | Republican | March 4, 1919 – March 4, 1929 | 13th | [data missing] |
| Jacob A. Beidler | Republican | March 4, 1901 – March 4, 1907 | 20th | [data missing] |
| Hiram Bell | Whig | March 4, 1851 – March 4, 1853 | 3rd | [data missing] |
| James Martin Bell | Anti-Jacksonian | March 4, 1833 – March 4, 1835 | 11th | [data missing] |
| John Bell | Whig | January 7, 1851 – March 4, 1851 | 6th | [data missing] |
| George H. Bender | Republican | January 3, 1939 – January 3, 1949 | At-large | [data missing] |
| George H. Bender | Republican | January 3, 1951 – January 3, 1953 | At-large | Resigned after being elected to the US Senate |
| George H. Bender | Republican | January 3, 1953 – December 15, 1954 | 23rd | Resigned after being elected to the US Senate |
| John Berry | Democratic | March 4, 1873 – March 4, 1875 | 14th | [data missing] |
| Jackson E. Betts | Republican | January 3, 1951 – January 3, 1973 | 8th | [data missing] |
| Herbert S. Bigelow | Democratic | January 3, 1937 – January 3, 1939 | 2nd | [data missing] |
| John A. Bingham | Opposition | March 4, 1855 – March 4, 1857 | 21st | [data missing] |
| John A. Bingham | Republican | March 4, 1857 – March 4, 1863 | 21st | [data missing] |
| John A. Bingham | Republican | March 4, 1865 – March 4, 1873 | 16th | [data missing] |
| Harrison Gray Otis Blake | Republican | October 11, 1859 – March 4, 1863 | 14th | [data missing] |
| Philemon Bliss | Opposition | March 4, 1855 – March 4, 1857 | 14th | [data missing] |
| Philemon Bliss | Republican | March 4, 1857 – March 4, 1859 | 14th | [data missing] |
| George Bliss | Democratic | March 4, 1853 – March 4, 1855 | 18th | [data missing] |
| George Bliss | Democratic | March 4, 1863 – March 4, 1865 | 14th | [data missing] |
| John Boccieri | Democratic | January 3, 2009 – January 3, 2011 | 16th | [data missing] |
| John Boehner | Republican | January 3, 1991 – October 31, 2015 | 8th | Speaker of the House 2011-2015 |
| Frances P. Bolton | Republican | February 27, 1940 – January 3, 1969 | 22nd | [data missing] |
| Chester C. Bolton | Republican | March 4, 1929 – January 3, 1937 | 22nd | [data missing] |
| Chester C. Bolton | Republican | January 3, 1939 – October 29, 1939 | 22nd | Died |
| Oliver P. Bolton | Republican | January 3, 1953 – January 3, 1957 | 11th | [data missing] |
| Oliver P. Bolton | Republican | January 3, 1963 – January 3, 1965 | 11th | [data missing] |
| William K. Bond | Anti-Jacksonian | March 4, 1835 – March 4, 1837 | 7th | [data missing] |
| William K. Bond | Whig | March 4, 1837 – March 4, 1841 | 7th | [data missing] |
| Melvin M. Boothman | Republican | March 4, 1887 – March 4, 1891 | 6th | [data missing] |
| Frank T. Bow | Republican | January 3, 1951 – November 13, 1972 | 16th | Died |
| Stanley Eyre Bowdle | Democratic | March 4, 1913 – March 4, 1915 | 1st | [data missing] |
| Charles Brand | Republican | March 4, 1923 – March 4, 1933 | 7th | [data missing] |
| Edward G. Breen | Democratic | January 3, 1949 – October 1, 1951 | 3rd | Resigned |
| Walter E. Brehm | Republican | January 3, 1943 – January 3, 1953 | 11th | [data missing] |
| John Lewis Brenner | Democratic | March 4, 1897 – March 4, 1901 | 3rd | [data missing] |
| Henry R. Brinkerhoff | Democratic | March 4, 1843 – April 30, 1844 | 21st | Died |
| Jacob Brinkerhoff | Democratic | March 4, 1843 – March 4, 1847 | 11th | [data missing] |
| Jacob H. Bromwell | Republican | December 3, 1894 – March 4, 1903 | 2nd | [data missing] |
| Bud Brown | Republican | November 2, 1965 – January 3, 1983 | 7th | [data missing] |
| Charles E. Brown | Republican | March 4, 1885 – March 4, 1889 | 2nd | [data missing] |
| Clarence J. Brown | Republican | January 3, 1939 – August 23, 1965 | 7th | Died |
| Seth W. Brown | Republican | March 4, 1897 – March 4, 1901 | 6th | [data missing] |
| Sherrod Brown | Democratic | January 3, 1993 – January 3, 2007 | 13th | [data missing] |
| Shontel Brown | Democratic | November 2, 2021 – present | 11th | Incumbent, elected to finish Marcia Fudge's term |
| Clement L. Brumbaugh | Democratic | March 4, 1913 – March 4, 1921 | 12th | [data missing] |
| Henry Brush | Democratic-Republican | March 4, 1819 – March 4, 1821 | 3rd | [data missing] |
| Ralph P. Buckland | Republican | March 4, 1865 – March 4, 1869 | 9th | [data missing] |
| Robert J. Bulkley | Democratic | March 4, 1911 – March 4, 1915 | 21st | [data missing] |
| Hezekiah S. Bundy | Republican | March 4, 1865 – March 4, 1867 | 11th | [data missing] |
| Hezekiah S. Bundy | Republican | March 4, 1873 – March 4, 1875 | 11th | [data missing] |
| Hezekiah S. Bundy | Republican | December 4, 1893 – March 4, 1895 | 10th | [data missing] |
| Raymond H. Burke | Republican | January 3, 1947 – January 3, 1949 | 3rd | [data missing] |
| Thomas H. Burke | Democratic | January 3, 1949 – January 3, 1951 | 9th | [data missing] |
| Joseph Burns | Democratic | March 4, 1857 – March 4, 1859 | 15th | [data missing] |
| Theodore E. Burton | Republican | March 4, 1889 – March 4, 1891 | 21st | [data missing] |
| Theodore E. Burton | Republican | March 4, 1895 – March 3, 1909 | 21st | Resigned after being elected to the U.S. Senate |
| Theodore E. Burton | Republican | March 4, 1921 – December 15, 1928 | 22nd | Resigned after being elected to the U.S. Senate |
| George H. Busby | Democratic | March 4, 1851 – March 4, 1853 | 11th | [data missing] |
| Benjamin Butterworth | Republican | March 4, 1879 – March 4, 1883 | 1st | [data missing] |
| Benjamin Butterworth | Republican | March 4, 1881 – March 4, 1883 | 11th | [data missing] |
| Benjamin Butterworth | Republican | March 4, 1885 – March 4, 1891 | 1st | [data missing] |
| Joseph Cable | Democratic | March 4, 1849 – March 4, 1853 | 17th | [data missing] |
| John L. Cable | Republican | March 4, 1921 – March 4, 1925 | 4th | [data missing] |
| John L. Cable | Republican | March 4, 1929 – March 4, 1933 | 4th | [data missing] |
| James Caldwell | Democratic-Republican | March 4, 1813 – March 4, 1817 | 4th | [data missing] |
| John A. Caldwell | Republican | March 4, 1889 – May 4, 1894 | 2nd | Resigned after being elected Mayor of Cincinnati |
| James E. Campbell | Democratic | June 20, 1884 – March 4, 1885 | 7th | [data missing] |
| James E. Campbell | Democratic | March 4, 1885 – March 4, 1887 | 3rd | [data missing] |
| James E. Campbell | Democratic | March 4, 1887 – March 4, 1889 | 7th | [data missing] |
| John Wilson Campbell | Democratic-Republican | March 4, 1817 – March 4, 1823 | 2nd | [data missing] |
| John Wilson Campbell | Democratic-Republican | March 4, 1823 – March 4, 1825 | 5th | [data missing] |
| John Wilson Campbell | Anti-Jacksonian | March 4, 1825 – March 4, 1827 | 5th | [data missing] |
| Lewis D. Campbell | Whig | March 4, 1849 – March 4, 1853 | 2nd | [data missing] |
| Lewis D. Campbell | Whig | March 4, 1853 – March 3, 1855 | 3rd | [data missing] |
| Lewis D. Campbell | Opposition | March 4, 1855 – March 4, 1857 | 3rd | [data missing] |
| Lewis D. Campbell | Republican | March 4, 1857 – May 25, 1858 | 3rd | Lost election challenge |
| Lewis D. Campbell | Democratic | March 4, 1871 – March 4, 1873 | 3rd | [data missing] |
| William Wildman Campbell | Republican | March 4, 1905 – March 4, 1907 | 5th | [data missing] |
| Richard S. Canby | Whig | March 4, 1847 – March 4, 1849 | 4th | [data missing] |
| Mike Carey | Republican | November 2, 2021 – present | 15th | Incumbent, elected to finish Steve Stivers's term |
| John Carey | Republican | March 4, 1859 – March 4, 1861 | 9th | [data missing] |
| Charles J. Carney | Democratic | November 3, 1970 – January 3, 1979 | 19th | [data missing] |
| Henderson H. Carson | Republican | January 3, 1943 – January 3, 1945 | 16th | [data missing] |
| Henderson H. Carson | Republican | January 3, 1947 – January 3, 1949 | 16th | [data missing] |
| David K. Cartter | Democratic | March 4, 1849 – March 4, 1853 | 18th | [data missing] |
| Samuel Fenton Cary | Independent Republican | November 21, 1867 – March 4, 1869 | 2nd | [data missing] |
| James H. Cassidy | Republican | March 4, 1909 – March 4, 1911 | 21st | [data missing] |
| John W. Cassingham | Democratic | March 4, 1901 – March 4, 1905 | 17th | [data missing] |
| Steve Chabot | Republican | January 3, 1995 – January 3, 2009 | 1st | [data missing] |
| Steve Chabot | Republican | January 3, 2011 – January 3, 2023 | 1st | Lost re-election to Landsman. |
| William W. Chalmers | Republican | March 4, 1921 – March 4, 1923 | 9th | [data missing] |
| William W. Chalmers | Republican | March 4, 1925 – March 4, 1931 | 9th | [data missing] |
| David Chambers | Democratic-Republican | October 9, 1821 – March 4, 1823 | 4th | [data missing] |
| John Chaney | Jacksonian | March 4, 1833 – March 4, 1837 | 9th | [data missing] |
| John Chaney | Democratic | March 4, 1837 – March 4, 1839 | 9th | [data missing] |
| Donald D. Clancy | Republican | January 3, 1961 – January 3, 1977 | 2nd | [data missing] |
| Reader W. Clarke | Republican | March 4, 1865 – March 4, 1869 | 6th | [data missing] |
| Harold K. Claypool | Democratic | January 3, 1937 – January 3, 1943 | 11th | [data missing] |
| Horatio C. Claypool | Democratic | March 4, 1911 – March 4, 1915 | 11th | [data missing] |
| Horatio C. Claypool | Democratic | March 4, 1917 – March 4, 1919 | 11th | [data missing] |
| David Clendenin | Democratic-Republican | October 11, 1814 – March 4, 1817 | 6th | [data missing] |
| Cliff Clevenger | Republican | January 3, 1939 – January 3, 1959 | 5th | [data missing] |
| Joseph R. Cockerill | Democratic | March 4, 1857 – March 4, 1859 | 6th | [data missing] |
| Charles D. Coffin | Whig | December 20, 1837 – March 4, 1839 | 17th | [data missing] |
| R. Clint Cole | Republican | March 4, 1919 – March 4, 1925 | 8th | [data missing] |
| Ralph D. Cole | Republican | March 4, 1905 – March 4, 1911 | 8th | [data missing] |
| George L. Converse | Democratic | March 4, 1879 – March 4, 1881 | 9th | [data missing] |
| George L. Converse | Democratic | March 4, 1881 – March 4, 1883 | 12th | [data missing] |
| George L. Converse | Democratic | March 4, 1883 – March 4, 1885 | 13th | [data missing] |
| Robert E. Cook | Democratic | January 3, 1959 – January 3, 1963 | 11th | [data missing] |
| Eleutheros Cooke | Anti-Jacksonian | March 4, 1831 – March 4, 1833 | 14th | [data missing] |
| John G. Cooper | Republican | March 4, 1915 – January 3, 1937 | 19th | [data missing] |
| William C. Cooper | Republican | March 4, 1885 – March 4, 1891 | 9th | [data missing] |
| Moses B. Corwin | Whig | March 4, 1849 – March 4, 1851 | 4th | [data missing] |
| Moses B. Corwin | Whig | March 4, 1853 – March 4, 1855 | 8th | [data missing] |
| Thomas Corwin | Anti-Jacksonian | March 4, 1831 – March 4, 1833 | 2nd | [data missing] |
| Thomas Corwin | Anti-Jacksonian | March 4, 1833 – March 4, 1837 | 4th | [data missing] |
| Thomas Corwin | Whig | March 4, 1837 – May 30, 1840 | 4th | Resigned after being nominated Governor |
| Thomas Corwin | Republican | March 4, 1859 – March 12, 1861 | 7th | Resigned to become Minister to Mexico |
| Jacob P. Cowan | Democratic | March 4, 1875 – March 4, 1877 | 14th | [data missing] |
| Benjamin S. Cowen | Whig | March 4, 1841 – March 4, 1843 | 11th | [data missing] |
| Jacob D. Cox | Republican | March 4, 1877 – March 4, 1879 | 6th | [data missing] |
| James M. Cox | Democratic | March 4, 1909 – January 12, 1913 | 3rd | Resigned after being elected Governor |
| Samuel S. Cox | Democratic | March 4, 1857 – March 4, 1863 | 12th | [data missing] |
| Samuel S. Cox | Democratic | March 4, 1863 – March 4, 1865 | 7th | [data missing] |
| Joseph Halsey Crane | Anti-Jacksonian | March 4, 1829 – March 4, 1837 | 3rd | Retired |
| William Creighton Jr. | Democratic-Republican | May 4, 1813 – March 4, 1817 | 3rd | [data missing] |
| William Creighton Jr. | Anti-Jacksonian | March 4, 1827 – ??, 1828 | 6th | Resigned after being appointed as judge of the US District Court of Ohio |
| William Creighton Jr. | Anti-Jacksonian | March 4, 1829 – March 4, 1833 | 6th | [data missing] |
| Frank Cremeans | Republican | January 3, 1995 – January 3, 1997 | 6th | [data missing] |
| Robert Crosser | Democratic | March 4, 1913 – March 4, 1915 | At-large | [data missing] |
| Robert Crosser | Democratic | March 4, 1915 – March 4, 1919 | 21st | [data missing] |
| Robert Crosser | Democratic | March 4, 1923 – January 3, 1955 | 21st | [data missing] |
| George W. Crouse | Republican | March 4, 1887 – March 4, 1889 | 20th | [data missing] |
| John Crowell | Whig | March 4, 1847 – March 4, 1851 | 19th | [data missing] |
| John D. Cummins | Democratic | March 4, 1845 – March 4, 1849 | 16th | [data missing] |
| Francis A. Cunningham | Democratic | March 4, 1845 – March 4, 1847 | 2nd | [data missing] |
| William P. Cutler | Republican | March 4, 1861 – March 4, 1863 | 16th | [data missing] |
| Lorenzo Danford | Republican | March 4, 1873 – March 4, 1879 | 16th | [data missing] |
| Lorenzo Danford | Republican | March 4, 1895 – June 19, 1899 | 16th | Died |
| John Davenport | Anti-Jacksonian | March 4, 1827 – March 4, 1829 | 10th | [data missing] |
| Martin L. Davey | Democratic | November 5, 1918 – March 4, 1921 | 14th | [data missing] |
| Martin L. Davey | Democratic | March 4, 1923 – March 4, 1929 | 14th | [data missing] |
| Warren Davidson | Republican | June 9, 2016 – present | 8th | Incumbent |
| Jacob E. Davis | Democratic | January 3, 1941 – January 3, 1943 | 6th | [data missing] |
| Beman G. Dawes | Republican | March 4, 1905 – March 4, 1909 | 15th | [data missing] |
| Rufus Dawes | Republican | March 4, 1881 – March 4, 1883 | 15th | [data missing] |
| Timothy Crane Day | Opposition | March 4, 1855 – March 4, 1857 | 1st | [data missing] |
| Francis Byron De Witt | Republican | March 4, 1895 – March 4, 1897 | 5th | [data missing] |
| Ezra Dean | Democratic | March 4, 1841 – March 4, 1845 | 18th | [data missing] |
| Columbus Delano | Whig | March 4, 1845 – March 4, 1847 | 10th | [data missing] |
| Columbus Delano | Republican | March 4, 1865 – March 4, 1867 | 13th | [data missing] |
| Columbus Delano | Republican | June 3, 1868 – March 4, 1869 | 13th | [data missing] |
| David S. Dennison Jr. | Republican | January 3, 1957 – January 3, 1959 | 11th | [data missing] |
| Matthew R. Denver | Democratic | March 4, 1907 – March 4, 1913 | 6th | [data missing] |
| Samuel L. Devine | Republican | January 3, 1959 – January 3, 1981 | 12th | [data missing] |
| Mike DeWine | Republican | January 3, 1983 – January 3, 1991 | 7th | [data missing] |
| Charles W. F. Dick | Republican | November 8, 1898 – March 23, 1904 | 19th | Resigned to become a US Senator |
| Henry L. Dickey | Democratic | March 4, 1877 – March 4, 1879 | 7th | [data missing] |
| Henry L. Dickey | Democratic | March 4, 1879 – March 4, 1881 | 11th | [data missing] |
| Edward F. Dickinson | Democratic | March 4, 1869 – March 4, 1871 | 9th | [data missing] |
| Rodolphus Dickinson | Democratic | March 4, 1847 – March 20, 1849 | 6th | Died |
| David Tiernan Disney | Democratic | March 4, 1849 – March 4, 1855 | 1st | [data missing] |
| Joseph A. Dixon | Democratic | January 3, 1937 – January 3, 1939 | 1st | [data missing] |
| Robert E. Doan | Republican | March 4, 1891 – March 4, 1893 | 10th | [data missing] |
| William Doan | Democratic | March 4, 1839 – March 4, 1843 | 5th | [data missing] |
| Ozro John Dodds | Democratic | October 8, 1872 – March 4, 1873 | 1st | [data missing] |
| Dennis D. Donovan | Democratic | March 4, 1891 – March 4, 1893 | 6th | [data missing] |
| Dennis D. Donovan | Democratic | March 4, 1893 – March 4, 1895 | 5th | [data missing] |
| Albert Douglas | Republican | March 4, 1907 – March 4, 1911 | 11th | [data missing] |
| Steve Driehaus | Democratic | January 3, 2009 – January 3, 2011 | 1st | [data missing] |
| Warren J. Duffey | Democratic | March 4, 1933 – July 7, 1936 | 9th | Died |
| Daniel Duncan | Whig | March 4, 1847 – March 4, 1849 | 10th | [data missing] |
| Alexander Duncan | Democratic | March 4, 1837 – March 4, 1841 | 1st | [data missing] |
| Alexander Duncan | Democratic | March 4, 1843 – March 4, 1845 | 1st | [data missing] |
| James I. Dungan | Democratic | March 4, 1891 – March 4, 1893 | 13th | [data missing] |
| Daniel S. Earhart | Democratic | November 3, 1936 – January 3, 1937 | At-large | [data missing] |
| Dennis E. Eckart | Democratic | January 3, 1981 – January 3, 1983 | 22nd | [data missing] |
| Dennis E. Eckart | Democratic | January 3, 1983 – January 3, 1993 | 11th | [data missing] |
| Ephraim R. Eckley | Republican | March 4, 1863 – March 4, 1869 | 17th | [data missing] |
| Alfred Peck Edgerton | Democratic | March 4, 1851 – March 4, 1855 | 5th | [data missing] |
| Sidney Edgerton | Republican | March 4, 1859 – March 4, 1863 | 18th | [data missing] |
| Thomas O. Edwards | Whig | March 4, 1847 – March 4, 1849 | 9th | [data missing] |
| Benjamin Eggleston | Republican | March 4, 1865 – March 4, 1869 | 1st | [data missing] |
| Andrew Ellison | Democratic | March 4, 1853 – March 4, 1855 | 6th | [data missing] |
| William W. Ellsberry | Democratic | March 4, 1885 – March 4, 1887 | 11th | [data missing] |
| Charles H. Elston | Republican | January 3, 1939 – January 3, 1953 | 1st | [data missing] |
| Henry Ivory Emerson | Republican | March 4, 1915 – March 4, 1921 | 22nd | [data missing] |
| Jonas R. Emrie | Opposition | March 4, 1855 – March 4, 1857 | 6th | [data missing] |
| William H. Enochs | Republican | March 4, 1891 – March 4, 1893 | 12th | [data missing] |
| William H. Enochs | Republican | March 4, 1893 – July 13, 1893 | 10th | Died |
| Nathan Evans | Whig | March 4, 1847 – March 4, 1851 | 14th | [data missing] |
| Thomas Ewing Jr. | Democratic | March 4, 1877 – March 4, 1879 | 12th | [data missing] |
| Thomas Ewing Jr. | Democratic | March 4, 1879 – March 4, 1881 | 10th | [data missing] |
| James J. Faran | Democratic | March 4, 1845 – March 4, 1849 | 1st | [data missing] |
| Edward F. Feighan | Democratic | January 3, 1983 – January 3, 1993 | 19th | [data missing] |
| Michael A. Feighan | Democratic | January 3, 1943 – January 3, 1971 | 20th | [data missing] |
| Lucien J. Fenton | Republican | March 4, 1895 – March 4, 1899 | 10th | [data missing] |
| Simeon D. Fess | Republican | March 4, 1913 – March 4, 1915 | 6th | [data missing] |
| Simeon D. Fess | Republican | March 4, 1915 – March 4, 1923 | 7th | [data missing] |
| William L. Fiesinger | Democratic | March 4, 1931 – January 3, 1937 | 13th | [data missing] |
| William E. Finck | Democratic | March 4, 1863 – March 4, 1867 | 12th | [data missing] |
| William E. Finck | Democratic | December 7, 1874 – March 4, 1875 | 12th | [data missing] |
| James Findlay | Jacksonian | March 4, 1825 – March 4, 1833 | 1st | [data missing] |
| Eric Fingerhut | Democratic | January 3, 1993 – January 3, 1995 | 19th | [data missing] |
| Ebenezer B. Finley | Democratic | March 4, 1877 – March 4, 1879 | 14th | [data missing] |
| Ebenezer B. Finley | Democratic | March 4, 1879 – March 4, 1881 | 8th | [data missing] |
| David Fisher | Whig | March 4, 1847 – March 4, 1849 | 2nd | [data missing] |
| Roy G. Fitzgerald | Republican | March 4, 1921 – March 4, 1931 | 3rd | [data missing] |
| William T. Fitzgerald | Republican | March 4, 1925 – March 4, 1929 | 4th | [data missing] |
| Anthony A. Fleger | Democratic | January 3, 1937 – January 3, 1939 | 22nd | [data missing] |
| Thomas B. Fletcher | Democratic | March 4, 1925 – March 4, 1929 | 8th | [data missing] |
| Thomas B. Fletcher | Democratic | March 4, 1933 – January 3, 1939 | 8th | [data missing] |
| Elias Florence | Whig | March 4, 1843 – March 4, 1845 | 9th | [data missing] |
| John Fassett Follett | Democratic | March 4, 1883 – March 4, 1885 | 1st | [data missing] |
| Martin A. Foran | Democratic | March 4, 1883 – March 4, 1889 | 21st | [data missing] |
| Israel M. Foster | Republican | March 4, 1919 – March 4, 1925 | 10th | [data missing] |
| Charles Foster | Republican | March 4, 1871 – March 4, 1873 | 9th | [data missing] |
| Charles Foster | Republican | March 4, 1873 – March 4, 1879 | 10th | [data missing] |
| William B. Francis | Democratic | March 4, 1911 – March 4, 1915 | 16th | [data missing] |
| George Fries | Democratic | March 4, 1845 – March 4, 1849 | 17th | [data missing] |
| Marcia Fudge | Democratic | November 18, 2008 – March 10, 2021 | 11th | Resigned to become United States Secretary of Housing and Urban Development. |
| Harry C. Gahn | Republican | March 4, 1921 – March 4, 1923 | 21st | [data missing] |
| Samuel Galloway | Opposition | March 4, 1855 – March 4, 1857 | 12th | [data missing] |
| Martin K. Gantz | Democratic | March 4, 1891 – March 4, 1893 | 4th | [data missing] |
| Harvey C. Garber | Democratic | March 4, 1903 – March 4, 1907 | 4th | [data missing] |
| Warren Gard | Democratic | March 4, 1913 – March 4, 1921 | 3rd | [data missing] |
| Edward J. Gardner | Democratic | January 3, 1945 – January 3, 1947 | 3rd | [data missing] |
| Mills Gardner | Republican | March 4, 1877 – March 4, 1879 | 3rd | [data missing] |
| James A. Garfield | Republican | March 4, 1863 – November 8, 1880 | 19th | Resigned to become President of the United States. |
| James M. Gaylord | Democratic | March 4, 1851 – March 4, 1853 | 13th | [data missing] |
| James William Gazlay | Democratic-Republican | March 4, 1823 – March 4, 1825 | 1st | [data missing] |
| George W. Geddes | Democratic | March 4, 1879 – March 4, 1881 | 15th | [data missing] |
| George W. Geddes | Democratic | March 4, 1881 – March 4, 1885 | 14th | [data missing] |
| George W. Geddes | Democratic | March 4, 1885 – March 4, 1887 | 16th | [data missing] |
| Bob Gibbs | Republican | January 3, 2011 – January 3, 2013 | 18th | [data missing] |
| Bob Gibbs | Republican | January 3, 2013 – January 3, 2023 | 7th | Retired. |
| Joshua Giddings | Whig | December 3, 1838 – March 22, 1842 | 16th | Resigned |
| Joshua Giddings | Whig | December 5, 1842 – March 4, 1843 | 16th | [data missing] |
| Joshua Giddings | Whig | March 4, 1843 – March 4, 1849 | 20th | [data missing] |
| Joshua Giddings | Free Soil | March 4, 1849 – March 4, 1855 | 20th | [data missing] |
| Joshua Giddings | Opposition | March 4, 1855 – March 4, 1857 | 20th | [data missing] |
| Joshua Giddings | Republican | March 4, 1857 – March 4, 1859 | 20th | [data missing] |
| Joseph J. Gill | Republican | December 4, 1899 – October 31, 1903 | 16th | Resigned |
| John J. Gilligan | Democratic | January 3, 1965 – January 3, 1967 | 1st | [data missing] |
| Paul Gillmor | Republican | January 3, 1989 – September 5, 2007 | 5th | Died |
| Herman P. Goebel | Republican | March 4, 1903 – March 4, 1911 | 2nd | [data missing] |
| J. Henry Goeke | Democratic | March 4, 1911 – March 4, 1915 | 4th | [data missing] |
| Anthony Gonzalez | Republican | January 3, 2019 – January 3, 2023 | 16th | Retired. |
| Patrick Gaines Goode | Whig | March 4, 1837 – March 4, 1843 | 3rd | [data missing] |
| John M. Goodenow | Jacksonian | March 4, 1829 – April 9, 1830 | 11th | Resigned after becoming judge of the Supreme Court of Ohio. |
| Robert B. Gordon | Democratic | March 4, 1899 – March 4, 1903 | 4th | [data missing] |
| William Gordon | Democratic | March 4, 1913 – March 4, 1919 | 20th | [data missing] |
| Bill Gradison | Republican | January 3, 1975 – January 3, 1983 | 1st | [data missing] |
| Bill Gradison | Republican | January 3, 1983 – January 31, 1993 | 2nd | Resigned |
| Frederick W. Green | Democratic | March 4, 1851 – March 4, 1853 | 6th | [data missing] |
| Frederick W. Green | Democratic | March 4, 1853 – March 4, 1855 | 9th | [data missing] |
| Percy W. Griffiths | Republican | January 3, 1943 – January 3, 1949 | 15th | [data missing] |
| William S. Groesbeck | Democratic | March 4, 1857 – March 4, 1859 | 2nd | [data missing] |
| Charles H. Grosvenor | Republican | March 4, 1885 – March 4, 1887 | 14th | [data missing] |
| Charles H. Grosvenor | Republican | March 4, 1887 – March 4, 1891 | 15th | [data missing] |
| Charles H. Grosvenor | Republican | March 4, 1893 – March 4, 1907 | 11th | [data missing] |
| Lewis B. Gunckel | Republican | March 4, 1873 – March 4, 1875 | 4th | [data missing] |
| John A. Gurley | Republican | March 4, 1859 – March 4, 1863 | 2nd | [data missing] |
| Tennyson Guyer | Republican | January 3, 1973 – April 12, 1981 | 4th | Died. |
| Lawrence W. Hall | Democratic | March 4, 1857 – March 4, 1859 | 9th | [data missing] |
| Tony P. Hall | Democratic | January 3, 1979 – September 9, 2002 | 3rd | Resigned after being appointed Ambassador to the Food and Agriculture Organization of the United Nations. |
| Thomas L. Hamer | Jacksonian | March 4, 1833 – March 4, 1837 | 5th | [data missing] |
| Thomas L. Hamer | Democratic | March 4, 1837 – March 4, 1839 | 5th | [data missing] |
| Cornelius S. Hamilton | Republican | March 4, 1867 – December 22, 1867 | 8th | Died. |
| Edward S. Hamlin | Whig | October 8, 1844 – March 4, 1845 | 21st | [data missing] |
| Peter Francis Hammond | Democratic | November 3, 1936 – January 3, 1937 | 11th | [data missing] |
| J. Eugene Harding | Republican | March 4, 1907 – March 4, 1909 | 3rd | [data missing] |
| Darius D. Hare | Democratic | March 4, 1891 – March 4, 1893 | 8th | [data missing] |
| Darius D. Hare | Democratic | March 4, 1893 – March 4, 1895 | 13th | [data missing] |
| Aaron Harlan | Whig | March 4, 1853 – March 4, 1855 | 7th | [data missing] |
| Aaron Harlan | Opposition | March 4, 1855 – March 4, 1857 | 7th | [data missing] |
| Aaron Harlan | Republican | March 4, 1857 – March 4, 1859 | 7th | [data missing] |
| Byron B. Harlan | Democratic | March 4, 1931 – January 3, 1939 | 3rd | [data missing] |
| Alexander Harper | Whig | March 4, 1837 – March 4, 1839 | 12th | [data missing] |
| Alexander Harper | Whig | March 4, 1843 – March 4, 1847 | 14th | [data missing] |
| Alexander Harper | Whig | March 4, 1851 – March 4, 1853 | 14th | [data missing] |
| Stephen Ross Harris | Republican | March 4, 1895 – March 4, 1897 | 13th | [data missing] |
| John S. Harrison | Whig | March 4, 1853 – March 4, 1855 | 2nd | [data missing] |
| John S. Harrison | Opposition | March 4, 1855 – March 4, 1857 | 2nd | [data missing] |
| Richard A. Harrison | Union | July 4, 1861 – March 4, 1863 | 7th | [data missing] |
| William Henry Harrison | Democratic-Republican | October 8, 1816 – March 4, 1819 | 1st | [data missing] |
| Bill Harsha | Republican | January 3, 1961 – January 3, 1981 | 6th | [data missing] |
| Alphonso Hart | Republican | March 4, 1883 – March 4, 1885 | 12th | [data missing] |
| Dow W. Harter | Democratic | March 4, 1933 – January 3, 1943 | 14th | [data missing] |
| Michael D. Harter | Democratic | March 4, 1891 – March 4, 1893 | 15th | [data missing] |
| Michael D. Harter | Democratic | March 4, 1893 – March 4, 1895 | 14th | [data missing] |
| John Hastings | Democratic | March 4, 1839 – March 4, 1843 | 17th | [data missing] |
| Rutherford B. Hayes | Republican | March 4, 1865 – July 20, 1867 | 2nd | Resigned to run for Governor. |
| William E. Haynes | Democratic | March 4, 1889 – March 4, 1891 | 10th | [data missing] |
| William E. Haynes | Democratic | March 4, 1891 – March 4, 1893 | 7th | [data missing] |
| Wayne Hays | Democratic | January 3, 1949 – September 1, 1976 | 18th | Resigned. |
| Victor Heintz | Republican | March 4, 1917 – March 4, 1919 | 2nd | [data missing] |
| William Helmick | Republican | March 4, 1859 – March 4, 1861 | 15th | [data missing] |
| John E. Henderson | Republican | January 3, 1955 – January 3, 1961 | 15th | [data missing] |
| Samuel Herrick | Democratic-Republican | March 4, 1817 – March 4, 1821 | 4th | [data missing] |
| William E. Hess | Republican | March 4, 1929 – January 3, 1937 | 2nd | [data missing] |
| William E. Hess | Republican | January 3, 1939 – January 3, 1949 | 2nd | [data missing] |
| William E. Hess | Republican | January 3, 1951 – January 3, 1961 | 2nd | [data missing] |
| Charles Q. Hildebrant | Republican | March 4, 1901 – March 4, 1905 | 6th | [data missing] |
| William D. Hill | Democratic | March 4, 1879 – March 4, 1881 | 6th | [data missing] |
| William D. Hill | Democratic | March 4, 1883 – March 4, 1887 | 6th | [data missing] |
| Joseph H. Himes | Republican | March 4, 1921 – March 4, 1923 | 16th | [data missing] |
| Peter Hitchcock | Democratic-Republican | March 4, 1817 – March 4, 1819 | 6th | [data missing] |
| Truman H. Hoag | Democratic | March 4, 1869 – February 5, 1870 | 10th | Died |
| Moses Hoagland | Democratic | March 4, 1849 – March 4, 1851 | 16th | [data missing] |
| Dave Hobson | Republican | January 3, 1991 – January 3, 2009 | 7th | [data missing] |
| Martin R. Hoke | Republican | January 3, 1993 – January 3, 1997 | 10th | [data missing] |
| Greg J. Holbrock | Democratic | January 3, 1941 – January 3, 1943 | 3rd | [data missing] |
| David Hollingsworth | Republican | March 4, 1909 – March 4, 1911 | 16th | [data missing] |
| David Hollingsworth | Republican | March 4, 1915 – March 4, 1919 | 18th | [data missing] |
| John B. Hollister | Republican | November 3, 1931 – January 3, 1937 | 1st | [data missing] |
| Valentine B. Horton | Opposition | March 4, 1855 – March 4, 1857 | 11th | [data missing] |
| Valentine B. Horton | Republican | March 4, 1857 – March 4, 1859 | 11th | [data missing] |
| Valentine B. Horton | Republican | March 4, 1861 – March 4, 1863 | 11th | [data missing] |
| George W. Houk | Democratic | March 4, 1891 – February 9, 1894 | 3rd | Died |
| William Howard | Democratic | March 4, 1859 – March 4, 1861 | 6th | [data missing] |
| Elias Howell | Anti-Jacksonian | March 4, 1835 – March 4, 1837 | 12th | [data missing] |
| L. Paul Howland | Republican | March 4, 1907 – March 4, 1913 | 20th | [data missing] |
| James R. Hubbell | Republican | March 4, 1865 – March 4, 1867 | 8th | [data missing] |
| Walter B. Huber | Democratic | January 3, 1945 – January 3, 1951 | 14th | [data missing] |
| George W. Hulick | Republican | March 4, 1893 – March 4, 1897 | 6th | [data missing] |
| John F. Hunter | Democratic | January 3, 1937 – January 3, 1943 | 9th | [data missing] |
| William F. Hunter | Whig | March 4, 1849 – March 4, 1853 | 15th | [data missing] |
| William H. Hunter | Democratic | March 4, 1837 – March 4, 1839 | 14th | [data missing] |
| Frank H. Hurd | Democratic | March 4, 1875 – March 4, 1877 | 6th | [data missing] |
| Frank H. Hurd | Democratic | March 4, 1879 – March 4, 1881 | 7th | [data missing] |
| Frank H. Hurd | Democratic | March 4, 1883 – March 4, 1885 | 10th | [data missing] |
| John Hutchins | Republican | March 4, 1859 – March 4, 1863 | 20th | [data missing] |
| Wells A. Hutchins | Democratic | March 4, 1863 – March 4, 1865 | 11th | [data missing] |
| George P. Ikirt | Democratic | March 4, 1893 – March 4, 1895 | 18th | [data missing] |
| Lawrence E. Imhoff | Democratic | March 4, 1933 – January 3, 1939 | 18th | [data missing] |
| Lawrence E. Imhoff | Democratic | January 3, 1941 – January 3, 1943 | 18th | [data missing] |
| William W. Irvin | Jacksonian | March 4, 1829 – March 4, 1833 | 9th | [data missing] |
| Amos H. Jackson | Republican | March 4, 1903 – March 4, 1905 | 13th | [data missing] |
| Harry P. Jeffrey | Republican | January 3, 1943 – January 3, 1945 | 3rd | [data missing] |
| Thomas A. Jenkins | Republican | March 4, 1925 – January 3, 1959 | 10th | [data missing] |
| David Jennings | Anti-Jacksonian | March 4, 1825 – May 25, 1826 | 10th | Resigned |
| Hugh J. Jewett | Democratic | March 4, 1873 – June 23, 1874 | 12th | Resigned to become President of the Erie Railroad. |
| Adna R. Johnson | Republican | March 4, 1909 – March 4, 1911 | 10th | [data missing] |
| Bill Johnson | Republican | January 3, 2011 – January 21, 2024 | 6th | Resigned to become president of Youngstown State University. |
| Harvey H. Johnson | Democratic | March 4, 1853 – March 4, 1855 | 14th | [data missing] |
| John Johnson | Democratic-Republican | March 4, 1851 – March 4, 1853 | 16th | [data missing] |
| Perley B. Johnson | Whig | March 4, 1843 – March 4, 1845 | 13th | [data missing] |
| Tom L. Johnson | Democratic | March 4, 1891 – March 4, 1895 | 21st | [data missing] |
| William Johnston | Democratic | March 4, 1863 – March 4, 1865 | 8th | [data missing] |
| Benjamin Jones | Jacksonian | March 4, 1833 – March 4, 1837 | 18th | [data missing] |
| John S. Jones | Republican | March 4, 1877 – March 4, 1879 | 9th | [data missing] |
| Robert Franklin Jones | Republican | January 3, 1939 – September 2, 1947 | 4th | Resigned after being appointed a member of the Federal Communications Commission. |
| Stephanie Tubbs Jones | Democratic | January 3, 1999 – August 20, 2008 | 11th | Died |
| Isaac M. Jordan | Democratic | March 4, 1883 – March 4, 1885 | 2nd | [data missing] |
| Jim Jordan | Republican | January 3, 2007 – present | 4th | Incumbent |
| David Joyce | Republican | January 3, 2013 – present | 14th | Incumbent |
| James Joyce | Republican | March 4, 1909 – March 4, 1911 | 15th | [data missing] |
| Marcy Kaptur | Democratic | January 3, 1983 – present | 9th | Incumbent |
| John Kasich | Republican | January 3, 1983 – January 3, 2001 | 12th | [data missing] |
| Charles C. Kearns | Republican | March 4, 1915 – March 4, 1931 | 6th | [data missing] |
| William J. Keating | Republican | January 3, 1971 – January 3, 1974 | 1st | Resigned |
| J. Warren Keifer | Republican | March 4, 1877 – March 4, 1879 | 8th | [data missing] |
| J. Warren Keifer | Republican | March 4, 1879 – March 4, 1881 | 4th | [data missing] |
| J. Warren Keifer | Republican | March 4, 1881 – March 4, 1885 | 8th | [data missing] |
| J. Warren Keifer | Republican | March 4, 1905 – March 4, 1911 | 7th | [data missing] |
| James Kennedy | Republican | March 4, 1903 – March 4, 1911 | 18th | [data missing] |
| Robert P. Kennedy | Republican | March 4, 1887 – March 4, 1891 | 8th | [data missing] |
| William Kennon Jr. | Democratic | March 4, 1847 – March 4, 1849 | 15th | [data missing] |
| William Kennon Sr. | Jacksonian | March 4, 1829 – March 4, 1833 | 10th | [data missing] |
| William Kennon Sr. | Jacksonian | March 4, 1835 – March 4, 1837 | 11th | [data missing] |
| Winfield S. Kerr | Republican | March 4, 1895 – March 4, 1901 | 14th | [data missing] |
| John A. Key | Democratic | March 4, 1913 – March 4, 1915 | 13th | [data missing] |
| John A. Key | Democratic | March 4, 1915 – March 4, 1919 | 8th | [data missing] |
| James Kilbourne | Democratic-Republican | March 4, 1813 – March 4, 1817 | 5th | [data missing] |
| Daniel Kilgore | Jacksonian | December 1, 1834 – March 4, 1837 | 19th | [data missing] |
| Daniel Kilgore | Democratic | March 4, 1837 – July 4, 1838 | 19th | Resigned |
| Mary Jo Kilroy | Democratic | January 3, 2009 – January 3, 2011 | 15th | [data missing] |
| Tom Kindness | Republican | January 3, 1975 – January 3, 1987 | 8th | [data missing] |
| Michael J. Kirwan | Democratic | January 3, 1937 – July 27, 1970 | 19th | Died |
| Frank L. Kloeb | Democratic | March 4, 1933 – August 19, 1937 | 4th | Resigned after being appointed judge of the U.S. District Court for the Northern District of Ohio |
| Frank C. Kniffin | Democratic | March 4, 1931 – January 3, 1939 | 5th | [data missing] |
| Charles L. Knight | Republican | March 4, 1921 – March 4, 1923 | 14th | [data missing] |
| Dennis Kucinich | Democratic | January 3, 1997 – January 3, 2013 | 10th | [data missing] |
| Thomas B. Kyle | Republican | March 4, 1901 – March 4, 1905 | 7th | [data missing] |
| Samuel Lahm | Democratic | March 4, 1847 – March 4, 1849 | 18th | [data missing] |
| Charles Nelson Lamison | Democratic | March 4, 1871 – March 4, 1875 | 5th | [data missing] |
| Arthur P. Lamneck | Democratic | March 4, 1931 – January 3, 1939 | 12th | [data missing] |
| Greg Landsman | Democratic | January 3, 2023 – present | 1st | Incumbent |
| J. Ford Laning | Republican | March 4, 1907 – March 4, 1909 | 14th | [data missing] |
| Steve LaTourette | Republican | January 3, 1995 – January 3, 2003 | 19th | [data missing] |
| Steve LaTourette | Republican | January 3, 2003 – January 3, 2013 | 14th | [data missing] |
| Bob Latta | Republican | December 11, 2007 – present | 5th | Incumbent |
| Del Latta | Republican | January 3, 1959 – January 3, 1989 | 5th | [data missing] |
| William Lawrence | Democratic | March 4, 1857 – March 4, 1859 | 17th | [data missing] |
| William Lawrence | Republican | March 4, 1865 – March 4, 1871 | 4th | [data missing] |
| William Lawrence | Republican | March 4, 1873 – March 4, 1877 | 8th | [data missing] |
| Fernando C. Layton | Democratic | March 4, 1891 – March 4, 1893 | 5th | [data missing] |
| Fernando C. Layton | Democratic | March 4, 1893 – March 4, 1897 | 4th | [data missing] |
| Daniel P. Leadbetter | Democratic | March 4, 1837 – March 4, 1841 | 13th | [data missing] |
| Humphrey H. Leavitt | Jacksonian | December 6, 1830 – March 4, 1833 | 11th | [data missing] |
| Humphrey H. Leavitt | Jacksonian | March 4, 1833 – July 10, 1834 | 19th | Resigned to become a judge for the U.S. District Court for the District of Ohio |
| Francis Celeste LeBlond | Democratic | March 4, 1863 – March 4, 1867 | 5th | [data missing] |
| John P. Leedom | Democratic | March 4, 1881 – March 4, 1883 | 7th | [data missing] |
| Benjamin Le Fevre | Democratic | March 4, 1879 – March 4, 1883 | 5th | [data missing] |
| Benjamin Le Fevre | Democratic | March 4, 1883 – March 4, 1885 | 4th | [data missing] |
| Benjamin Le Fevre | Democratic | March 4, 1885 – March 4, 1887 | 5th | [data missing] |
| Benjamin Franklin Leiter | Opposition | March 4, 1855 – March 4, 1857 | 18th | [data missing] |
| Benjamin Franklin Leiter | Republican | March 4, 1857 – March 4, 1859 | 18th | [data missing] |
| John J. Lentz | Democratic | March 4, 1897 – March 4, 1901 | 12th | [data missing] |
| Robert W. Levering | Democratic | January 3, 1959 – January 3, 1961 | 17th | [data missing] |
| Earl R. Lewis | Republican | January 3, 1939 – January 3, 1941 | 18th | [data missing] |
| Earl R. Lewis | Republican | January 3, 1943 – January 3, 1949 | 18th | [data missing] |
| William D. Lindsley | Democratic | March 4, 1853 – March 4, 1855 | 13th | [data missing] |
| John Little | Republican | March 4, 1885 – March 4, 1887 | 8th | [data missing] |
| Alexander Long | Democratic | March 4, 1863 – March 4, 1865 | 2nd | [data missing] |
| Nicholas Longworth | Republican | March 4, 1903 – March 4, 1913 | 1st | [data missing] |
| Nicholas Longworth | Republican | March 4, 1915 – April 9, 1931 | 1st | Died |
| Andrew W. Loomis | Whig | March 4, 1837 – October 20, 1837 | 17th | Resigned |
| Rodney M. Love | Democratic | January 3, 1965 – January 3, 1967 | 3rd | [data missing] |
| Charlie Luken | Democratic | January 3, 1991 – January 3, 1993 | 1st | [data missing] |
| Tom Luken | Democratic | March 5, 1974 – January 3, 1975 | 1st | [data missing] |
| Tom Luken | Democratic | January 3, 1977 – January 3, 1983 | 2nd | [data missing] |
| Tom Luken | Democratic | January 3, 1983 – January 3, 1991 | 1st | [data missing] |
| Donald Buz Lukens | Republican | January 3, 1967 – January 3, 1971 | 24th | [data missing] |
| Donald Buz Lukens | Republican | January 3, 1987 – October 24, 1990 | 8th | Resigned |
| Archibald Lybrand | Republican | March 4, 1897 – March 4, 1901 | 8th | [data missing] |
| Robert Todd Lytle | Jacksonian | March 4, 1833 – March 4, 1835 | 1st | resigned March 10, 1834, and re-elected to seat December 27 |
| David S. Mann | Democratic | January 3, 1993 – January 3, 1995 | 1st | [data missing] |
| George A. Marshall | Democratic | March 4, 1897 – March 4, 1899 | 4th | [data missing] |
| L. L. Marshall | Republican | January 3, 1939 – January 3, 1941 | At-large | [data missing] |
| Leroy T. Marshall | Republican | March 4, 1933 – January 3, 1937 | 7th | [data missing] |
| Charles D. Martin | Democratic | March 4, 1859 – March 4, 1861 | 11th | [data missing] |
| Samson Mason | Anti-Jacksonian | March 4, 1835 – March 4, 1837 | 10th | [data missing] |
| Samson Mason | Whig | March 4, 1837 – March 4, 1843 | 10th | [data missing] |
| James Mathews | Democratic | March 4, 1841 – March 4, 1843 | 13th | [data missing] |
| James Mathews | Democratic | March 4, 1843 – March 4, 1845 | 16th | [data missing] |
| Joshua Mathiot | Whig | March 4, 1841 – March 4, 1843 | 12th | [data missing] |
| Nelson Edwin Matthews | Republican | March 4, 1915 – March 4, 1917 | 5th | [data missing] |
| Duncan McArthur | Democratic-Republican | March 4, 1823 – March 4, 1825 | 6th | [data missing] |
| William C. McCauslen | Democratic | March 4, 1843 – March 4, 1845 | 17th | [data missing] |
| Charles B. McClintock | Republican | March 4, 1929 – March 4, 1933 | 16th | [data missing] |
| Addison S. McClure | Republican | March 4, 1881 – March 4, 1883 | 18th | [data missing] |
| Addison S. McClure | Republican | March 4, 1895 – March 4, 1897 | 17th | [data missing] |
| John W. McCormick | Republican | March 4, 1883 – March 4, 1885 | 11th | [data missing] |
| Edward O. McCowen | Republican | January 3, 1943 – January 3, 1949 | 6th | [data missing] |
| Roscoe C. McCulloch | Republican | March 4, 1915 – March 4, 1921 | 16th | [data missing] |
| William M. McCulloch | Republican | November 4, 1947 – January 3, 1973 | 4th | [data missing] |
| John A. McDowell | Democratic | March 4, 1897 – March 4, 1901 | 17th | [data missing] |
| Joseph J. McDowell | Democratic | March 4, 1843 – March 4, 1847 | 7th | [data missing] |
| Bob McEwen | Republican | January 3, 1981 – January 3, 1993 | 6th | [data missing] |
| J. Harry McGregor | Republican | February 27, 1940 – October 7, 1958 | 17th | Died |
| William McKinley | Republican | March 4, 1877 – March 4, 1879 | 17th | [data missing] |
| William McKinley | Republican | March 4, 1879 – March 4, 1881 | 16th | [data missing] |
| William McKinley | Republican | March 4, 1881 – March 4, 1883 | 17th | [data missing] |
| William McKinley | Republican | March 4, 1883 – May 27, 1884 | 18th | Lost contested election |
| William McKinley | Republican | March 4, 1885 – March 4, 1887 | 20th | [data missing] |
| William McKinley | Republican | March 4, 1887 – March 4, 1891 | 18th | [data missing] |
| John F. McKinney | Democratic | March 4, 1863 – March 4, 1865 | 4th | [data missing] |
| John F. McKinney | Democratic | March 4, 1871 – March 4, 1873 | 4th | [data missing] |
| John McLean | Democratic-Republican | March 4, 1813 – ??, 1816 | 1st | Resigned after becoming associate justice of the Supreme Court of Ohio |
| William McLean | Democratic-Republican | March 4, 1823 – March 4, 1825 | 3rd | [data missing] |
| William McLean | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | 3rd | [data missing] |
| Jeremiah McLene | Jacksonian | March 4, 1833 – March 4, 1837 | 8th | [data missing] |
| John A. McMahon | Democratic | March 4, 1875 – March 4, 1879 | 4th | [data missing] |
| John A. McMahon | Democratic | March 4, 1879 – March 4, 1881 | 3rd | [data missing] |
| John McSweeney | Democratic | March 4, 1923 – March 4, 1929 | 16th | [data missing] |
| John McSweeney | Democratic | January 3, 1937 – January 3, 1939 | At-large | [data missing] |
| John McSweeney | Democratic | January 3, 1949 – January 3, 1951 | 16th | [data missing] |
| William Medill | Democratic | March 4, 1839 – March 4, 1843 | 9th | [data missing] |
| David Meekison | Democratic | March 4, 1897 – March 4, 1901 | 5th | [data missing] |
| Clarence E. Miller | Republican | January 3, 1967 – January 3, 1993 | 10th | [data missing] |
| John K. Miller | Democratic | March 4, 1847 – March 4, 1851 | 11th | [data missing] |
| Joseph Miller | Democratic | March 4, 1857 – March 4, 1859 | 10th | [data missing] |
| Max Miller | Republican | January 3, 2023 – present | 7th | Incumbent |
| Ward Miller | Republican | November 8, 1960 – January 3, 1961 | 6th | [data missing] |
| William E. Minshall Jr. | Republican | January 3, 1955 – December 31, 1974 | 23rd | Resigned |
| Robert Mitchell | Jacksonian | March 4, 1833 – 1835 | 12th | [data missing] |
| Walter H. Moeller | Democratic | January 3, 1959 – January 3, 1963 | 10th | [data missing] |
| Walter H. Moeller | Democratic | January 3, 1965 – January 3, 1967 | 10th | [data missing] |
| James Monroe | Republican | March 4, 1871 – March 4, 1873 | 14th | [data missing] |
| James Monroe | Republican | March 4, 1873 – March 4, 1879 | 18th | [data missing] |
| James Monroe | Republican | March 4, 1879 – March 4, 1881 | 17th | [data missing] |
| William C. Mooney | Republican | March 4, 1915 – March 4, 1917 | 15th | [data missing] |
| Charles A. Mooney | Democratic | March 4, 1919 – March 4, 1921 | 20th | [data missing] |
| Charles A. Mooney | Democratic | March 4, 1923 – May 29, 1931 | 20th | Died |
| C. Ellis Moore | Republican | March 4, 1919 – March 4, 1933 | 15th | [data missing] |
| Eliakim H. Moore | Republican | March 4, 1869 – March 4, 1871 | 15th | [data missing] |
| Heman A. Moore | Democratic | March 4, 1843 – April 3, 1844 | 10th | Died |
| Oscar F. Moore | Opposition | March 4, 1855 – March 4, 1857 | 10th | [data missing] |
| Tom V. Moorehead | Republican | January 3, 1961 – January 3, 1963 | 15th | [data missing] |
| Henry Lee Morey | Republican | March 4, 1881 – March 4, 1883 | 3rd | [data missing] |
| Henry Lee Morey | Republican | March 4, 1883 – June 20, 1884 | 7th | Lost contested election |
| Henry Lee Morey | Republican | March 4, 1889 – March 4, 1891 | 7th | [data missing] |
| Stephen Morgan | Republican | March 4, 1899 – March 4, 1905 | 10th | [data missing] |
| William M. Morgan | Republican | March 4, 1921 – March 4, 1931 | 17th | [data missing] |
| George W. Morgan | Democratic | March 4, 1867 – June 3, 1868 | 13th | Lost contested election |
| George W. Morgan | Democratic | March 4, 1869 – March 4, 1873 | 13th | [data missing] |
| Calvary Morris | Whig | March 4, 1837 – March 4, 1843 | 6th | [data missing] |
| James R. Morris | Democratic | March 4, 1861 – March 4, 1863 | 17th | [data missing] |
| James R. Morris | Democratic | March 4, 1863 – March 4, 1865 | 15th | [data missing] |
| Jonathan D. Morris | Democratic | March 4, 1847 – March 4, 1851 | 7th | [data missing] |
| Joseph Morris | Democratic | March 4, 1843 – March 4, 1847 | 15th | [data missing] |
| Jeremiah Morrow | Democratic-Republican | October 17, 1803 – March 4, 1813 | At-large | [data missing] |
| Jeremiah Morrow | Whig | October 13, 1840 – March 4, 1843 | 4th | [data missing] |
| Charles A. Mosher | Republican | January 3, 1961 – January 3, 1977 | 13th | [data missing] |
| Harold G. Mosier | Democratic | January 3, 1937 – January 3, 1939 | At-large | [data missing] |
| Richard Mott | Opposition | March 4, 1855 – March 4, 1857 | 5th | [data missing] |
| Richard Mott | Republican | March 4, 1857 – March 4, 1859 | 5th | [data missing] |
| Ronald M. Mottl | Democratic | January 3, 1975 – January 3, 1983 | 23rd | [data missing] |
| Grant E. Mouser Jr. | Republican | March 4, 1929 – March 4, 1933 | 8th | [data missing] |
| Grant E. Mouser | Republican | March 4, 1905 – March 4, 1909 | 13th | [data missing] |
| Francis Swaine Muhlenberg | Anti-Jacksonian | December 19, 1828 – March 4, 1829 | 6th | [data missing] |
| William Mungen | Democratic | March 4, 1867 – March 4, 1871 | 5th | [data missing] |
| B. Frank Murphy | Republican | March 4, 1919 – March 4, 1933 | 18th | [data missing] |
| Robert Maynard Murray | Democratic | March 4, 1883 – March 4, 1885 | 3rd | [data missing] |
| Henry S. Neal | Republican | March 4, 1877 – March 4, 1879 | 11th | [data missing] |
| Henry S. Neal | Republican | March 4, 1879 – March 4, 1881 | 12th | [data missing] |
| Henry S. Neal | Republican | March 4, 1881 – March 4, 1883 | 11th | [data missing] |
| Lawrence T. Neal | Democratic | March 4, 1873 – March 4, 1877 | 7th | [data missing] |
| Robert M. Nevin | Republican | March 4, 1901 – March 4, 1907 | 3rd | [data missing] |
| Eben Newton | Whig | March 4, 1851 – March 4, 1853 | 19th | [data missing] |
| Bob Ney | Republican | January 3, 1995 – November 3, 2006 | 18th | Resigned |
| Matthias H. Nichols | Democratic | March 4, 1853 – March 4, 1855 | 4th | [data missing] |
| Matthias H. Nichols | Opposition | March 4, 1855 – March 4, 1857 | 4th | [data missing] |
| Matthias H. Nichols | Republican | March 4, 1857 – March 4, 1859 | 4th | [data missing] |
| Warren P. Noble | Democratic | March 4, 1861 – March 4, 1865 | 9th | [data missing] |
| Stephen A. Northway | Republican | March 4, 1893 – September 8, 1898 | 19th | Died |
| James A. Norton | Democratic | March 4, 1897 – March 4, 1903 | 13th | [data missing] |
| Miner Gibbs Norton | Republican | March 4, 1921 – March 4, 1923 | 20th | [data missing] |
| Robert H. Nugen | Democratic | March 4, 1861 – March 4, 1863 | 15th | [data missing] |
| John O'Neill | Democratic | March 4, 1863 – March 4, 1865 | 13th | [data missing] |
| Mary Rose Oakar | Democratic | January 3, 1977 – January 3, 1993 | 20th | [data missing] |
| Lewis P. Ohliger | Democratic | December 5, 1892 – March 4, 1893 | 16th | [data missing] |
| Edson B. Olds | Democratic | March 4, 1849 – March 4, 1853 | 9th | [data missing] |
| Edson B. Olds | Democratic | March 4, 1853 – March 4, 1855 | 12th | [data missing] |
| Joseph H. Outhwaite | Democratic | March 4, 1885 – March 4, 1891 | 13th | [data missing] |
| Joseph H. Outhwaite | Democratic | March 4, 1891 – March 4, 1893 | 9th | [data missing] |
| Joseph H. Outhwaite | Democratic | March 4, 1893 – March 4, 1895 | 12th | [data missing] |
| Arthur W. Overmyer | Democratic | March 4, 1915 – March 4, 1919 | 13th | [data missing] |
| James W. Owens | Democratic | March 4, 1889 – March 4, 1891 | 16th | [data missing] |
| James W. Owens | Democratic | March 4, 1891 – March 4, 1893 | 14th | [data missing] |
| Mike Oxley | Republican | June 25, 1981 – January 3, 2007 | 4th | [data missing] |
| David Raymond Paige | Democratic | March 4, 1883 – March 4, 1885 | 20th | [data missing] |
| Isaac Parrish | Democratic | March 4, 1839 – March 4, 1841 | 11th | [data missing] |
| Isaac Parrish | Democratic | March 4, 1845 – March 4, 1847 | 13th | [data missing] |
| Richard Chappel Parsons | Republican | March 4, 1873 – March 4, 1875 | 20th | [data missing] |
| John Patterson | Democratic-Republican | March 4, 1823 – March 4, 1825 | 10th | [data missing] |
| William Patterson | Jacksonian | March 4, 1833 – March 4, 1837 | 14th | [data missing] |
| John M. Pattison | Democratic | March 4, 1891 – March 4, 1893 | 11th | [data missing] |
| Henry B. Payne | Democratic | March 4, 1875 – March 4, 1877 | 20th | [data missing] |
| Albert J. Pearson | Democratic | March 4, 1891 – March 4, 1893 | 17th | [data missing] |
| Albert J. Pearson | Democratic | March 4, 1893 – March 4, 1895 | 16th | [data missing] |
| Don Pease | Democratic | January 3, 1977 – January 3, 1993 | 13th | [data missing] |
| Erasmus D. Peck | Republican | April 23, 1870 – March 4, 1873 | 10th | [data missing] |
| George H. Pendleton | Democratic | March 4, 1857 – March 4, 1865 | 1st | [data missing] |
| Nathanael Greene Pendleton | Whig | March 4, 1841 – March 4, 1843 | 1st | [data missing] |
| Augustus L. Perrill | Democratic | March 4, 1845 – March 4, 1847 | 9th | [data missing] |
| Aaron Fyfe Perry | Republican | March 4, 1871 – ??, 1872 | 1st | Resigned |
| Fremont Orestes Phillips | Republican | March 4, 1899 – March 4, 1901 | 20th | [data missing] |
| Tobias A. Plants | Republican | March 4, 1865 – March 4, 1869 | 15th | [data missing] |
| James G. Polk | Democratic | March 4, 1931 – January 3, 1941 | 6th | [data missing] |
| James G. Polk | Democratic | January 3, 1949 – April 28, 1959 | 6th | Died |
| Earley F. Poppleton | Democratic | March 4, 1875 – March 4, 1877 | 9th | [data missing] |
| Rob Portman | Republican | May 4, 1993 – April 29, 2005 | 2nd | Resigned after being appointed U.S. Trade Representative |
| James D. Post | Democratic | March 4, 1911 – March 4, 1915 | 7th | [data missing] |
| Emery D. Potter | Democratic | March 4, 1843 – March 4, 1845 | 5th | [data missing] |
| Emery D. Potter | Democratic | March 4, 1849 – March 4, 1851 | 5th | [data missing] |
| Walter E. Powell | Republican | January 3, 1971 – January 3, 1973 | 24th | [data missing] |
| Walter E. Powell | Republican | January 3, 1973 – January 3, 1975 | 8th | [data missing] |
| Deborah Pryce | Republican | January 3, 1993 – January 3, 2009 | 15th | [data missing] |
| Jacob J. Pugsley | Republican | March 4, 1887 – March 4, 1891 | 12th | [data missing] |
| Homer A. Ramey | Republican | January 3, 1943 – January 3, 1949 | 9th | [data missing] |
| Frazier Reams | Independent | January 3, 1951 – January 3, 1955 | 9th | [data missing] |
| Ralph Regula | Republican | January 3, 1973 – January 3, 2009 | 16th | [data missing] |
| Jim Renacci | Republican | January 3, 2011 – January 3, 2019 | 16th | [data missing] |
| Americus Vespucius Rice | Democratic | March 4, 1875 – March 4, 1879 | 5th | [data missing] |
| John B. Rice | Republican | March 4, 1881 – March 4, 1883 | 10th | [data missing] |
| Carl W. Rich | Republican | January 3, 1963 – January 3, 1965 | 1st | [data missing] |
| James A. D. Richards | Democratic | March 4, 1893 – March 4, 1895 | 17th | [data missing] |
| Edwin D. Ricketts | Republican | March 4, 1915 – March 4, 1917 | 11th | [data missing] |
| Edwin D. Ricketts | Republican | March 4, 1919 – March 4, 1923 | 11th | [data missing] |
| Albert Gallatin Riddle | Republican | March 4, 1861 – March 4, 1863 | 19th | [data missing] |
| Joseph Ridgway | Whig | March 4, 1837 – March 4, 1843 | 8th | [data missing] |
| Thomas Ritchey | Democratic | March 4, 1847 – March 4, 1849 | 13th | [data missing] |
| Thomas Ritchey | Democratic | March 4, 1853 – March 4, 1855 | 11th | [data missing] |
| Byron F. Ritchie | Democratic | March 4, 1893 – March 4, 1895 | 9th | [data missing] |
| James M. Ritchie | Republican | March 4, 1881 – March 4, 1883 | 6th | [data missing] |
| James S. Robinson | Republican | March 4, 1881 – January 12, 1885 | 9th | Resigned to become Ohio Secretary of State |
| James W. Robinson | Republican | March 4, 1873 – March 4, 1875 | 9th | [data missing] |
| Jacob Romeis | Republican | March 4, 1885 – March 4, 1889 | 10th | [data missing] |
| Joseph M. Root | Whig | March 4, 1845 – March 4, 1849 | 21st | [data missing] |
| Joseph M. Root | Free Soil | March 4, 1849 – March 4, 1851 | 21st | [data missing] |
| Thomas R. Ross | Democratic-Republican | March 4, 1819 – March 4, 1823 | 1st | [data missing] |
| Thomas R. Ross | Democratic-Republican | March 4, 1823 – March 4, 1825 | 2nd | [data missing] |
| Harry N. Routzohn | Republican | January 3, 1939 – January 3, 1941 | 3rd | [data missing] |
| Edmund Rowe | Republican | January 3, 1943 – January 3, 1945 | 14th | [data missing] |
| Michael Rulli | Republican | June 11, 2024 – present | 6th | Incumbent, elected to finish Bill Johnson's term |
| J. Edward Russell | Republican | March 4, 1915 – March 4, 1917 | 4th | [data missing] |
| William Russell | Jacksonian | March 4, 1827 – March 4, 1833 | 5th | [data missing] |
| William Russell | Whig | March 4, 1841 – March 4, 1843 | 7th | [data missing] |
| Tim Ryan | Democratic | January 3, 2003 – January 3, 2013 | 17th | [data missing] |
| Tim Ryan | Democratic | January 3, 2013 – January 3, 2023 | 13th | Retired to run for U.S. senator. |
| Henry St. John | Democratic | March 4, 1843 – March 4, 1847 | 6th | [data missing] |
| William R. Sapp | Whig | March 4, 1853 – March 4, 1855 | 15th | [data missing] |
| William R. Sapp | Opposition | March 4, 1855 – March 4, 1857 | 15th | [data missing] |
| John S. Savage | Democratic | March 4, 1875 – March 4, 1877 | 3rd | [data missing] |
| Thomas C. Sawyer | Democratic | January 3, 1987 – January 3, 2003 | 14th | [data missing] |
| William Sawyer | Democratic | March 4, 1845 – March 4, 1849 | 5th | [data missing] |
| Milton Sayler | Democratic | March 4, 1873 – March 4, 1879 | 1st | [data missing] |
| Paul F. Schenck | Republican | November 6, 1951 – January 3, 1965 | 3rd | [data missing] |
| Robert C. Schenck | Whig | March 4, 1843 – March 4, 1851 | 3rd | [data missing] |
| Robert C. Schenck | Republican | March 4, 1863 – January 5, 1871 | 3rd | Resigned to become Minister to Great Britain |
| Gordon H. Scherer | Republican | January 3, 1953 – January 3, 1963 | 1st | [data missing] |
| Jean Schmidt | Republican | August 2, 2005 – January 3, 2013 | 2nd | [data missing] |
| Thomas E. Scroggy | Republican | March 4, 1905 – March 4, 1907 | 6th | [data missing] |
| James Seccombe | Republican | January 3, 1939 – January 3, 1941 | 16th | [data missing] |
| Robert T. Secrest | Democratic | March 4, 1933 – August 3, 1942 | 15th | Resigned to enter the United States Navy |
| Robert T. Secrest | Democratic | January 3, 1949 – September 26, 1954 | 15th | Resigned to become a member of the Federal Trade Commission |
| Robert T. Secrest | Democratic | January 3, 1963 – December 30, 1966 | 15th | Resigned |
| Francis Seiberling | Republican | March 4, 1929 – March 4, 1933 | 14th | [data missing] |
| John F. Seiberling Jr. | Democratic | January 3, 1971 – January 3, 1987 | 14th | [data missing] |
| George E. Seney | Democratic | March 4, 1883 – March 4, 1885 | 5th | [data missing] |
| George E. Seney | Democratic | March 4, 1885 – March 4, 1887 | 7th | [data missing] |
| George E. Seney | Democratic | March 4, 1887 – March 4, 1891 | 5th | [data missing] |
| Bob Shamansky | Democratic | January 3, 1981 – January 3, 1983 | 12th | [data missing] |
| Thomas Shannon | Anti-Jacksonian | December 4, 1826 – March 4, 1827 | 10th | [data missing] |
| Wilson Shannon | Democratic | March 4, 1853 – March 4, 1855 | 17th | [data missing] |
| William G. Sharp | Democratic | March 4, 1909 – July 23, 1914 | 14th | Resigned to become U.S. Ambassador to France |
| William Bunn Shattuc | Republican | March 4, 1897 – March 4, 1903 | 1st | [data missing] |
| Samuel Shellabarger | Republican | March 4, 1861 – March 4, 1863 | 8th | [data missing] |
| Samuel Shellabarger | Republican | March 4, 1865 – March 4, 1869 | 7th | [data missing] |
| Samuel Shellabarger | Republican | March 4, 1871 – March 4, 1873 | 7th | [data missing] |
| Matthias Shepler | Democratic | March 4, 1837 – March 4, 1839 | 18th | [data missing] |
| John Sherman | Opposition | March 4, 1855 – March 4, 1857 | 13th | [data missing] |
| John Sherman | Republican | March 4, 1857 – March 4, 1861 | 13th | [data missing] |
| Isaac R. Sherwood | Republican | March 4, 1873 – March 4, 1875 | 6th | [data missing] |
| Isaac R. Sherwood | Democratic | March 4, 1907 – March 4, 1921 | 9th | [data missing] |
| Isaac R. Sherwood | Democratic | March 4, 1923 – March 4, 1925 | 9th | [data missing] |
| James Shields | Jacksonian | March 4, 1829 – March 4, 1831 | 2nd | [data missing] |
| Emanuel Shultz | Republican | March 4, 1881 – March 4, 1883 | 4th | [data missing] |
| William W. Skiles | Republican | March 4, 1901 – January 9, 1904 | 14th | Died |
| Jonathan Sloane | Anti-Masonic | March 4, 1833 – March 4, 1837 | 15th | [data missing] |
| John Sloane | Democratic-Republican | March 4, 1819 – March 4, 1823 | 6th | [data missing] |
| John Sloane | Democratic-Republican | March 4, 1823 – March 4, 1825 | 12th | [data missing] |
| John Sloane | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | 12th | [data missing] |
| Frederick C. Smith | Republican | January 3, 1939 – January 3, 1951 | 8th | [data missing] |
| John Armstrong Smith | Republican | March 4, 1869 – March 4, 1873 | 6th | [data missing] |
| John Quincy Smith | Republican | March 4, 1873 – March 4, 1875 | 3rd | [data missing] |
| Martin L. Smyser | Republican | March 4, 1889 – March 4, 1891 | 20th | [data missing] |
| Martin L. Smyser | Republican | March 4, 1905 – March 4, 1907 | 17th | [data missing] |
| John Stout Snook | Democratic | March 4, 1901 – March 4, 1905 | 5th | [data missing] |
| John Stout Snook | Democratic | March 4, 1917 – March 4, 1919 | 5th | [data missing] |
| Paul J. Sorg | Democratic | May 21, 1894 – March 4, 1897 | 3rd | [data missing] |
| James H. Southard | Republican | March 4, 1895 – March 4, 1907 | 9th | [data missing] |
| Milton I. Southard | Democratic | March 4, 1873 – March 4, 1879 | 13th | [data missing] |
| Zack Space | Democratic | January 3, 2007 – January 3, 2011 | 18th | [data missing] |
| Rufus Paine Spalding | Republican | March 4, 1863 – March 4, 1869 | 18th | [data missing] |
| David Spangler | Anti-Jacksonian | March 4, 1833 – March 4, 1837 | 13th | [data missing] |
| John C. Speaks | Republican | March 4, 1921 – March 4, 1931 | 12th | [data missing] |
| Cyrus Spink | Republican | March 4, 1859 – May 31, 1859 | 14th | Died |
| William P. Sprague | Republican | March 4, 1871 – March 4, 1875 | 15th | [data missing] |
| William Stanbery | Jacksonian | October 9, 1827 – March 4, 1831 | 8th | [data missing] |
| William Stanbery | Anti-Jacksonian | March 4, 1831 – March 4, 1833 | 8th | [data missing] |
| J. William Stanton | Republican | January 3, 1965 – January 3, 1983 | 11th | [data missing] |
| James V. Stanton | Democratic | January 3, 1971 – January 3, 1977 | 20th | [data missing] |
| Benjamin Stanton | Whig | March 4, 1851 – March 4, 1853 | 4th | [data missing] |
| Benjamin Stanton | Opposition | March 4, 1855 – March 4, 1857 | 8th | [data missing] |
| Benjamin Stanton | Republican | March 4, 1857 – March 4, 1861 | 8th | [data missing] |
| David A. Starkweather | Democratic | March 4, 1839 – March 4, 1841 | 18th | [data missing] |
| David A. Starkweather | Democratic | March 4, 1845 – March 4, 1847 | 18th | [data missing] |
| Ambrose E. B. Stephens | Republican | March 4, 1919 – February 12, 1927 | 2nd | Died |
| Job E. Stevenson | Republican | March 4, 1869 – March 4, 1873 | 2nd | [data missing] |
| Steve Stivers | Republican | January 3, 2011 – May 16, 2021 | 15th | Resigned to become the president and CEO of the Ohio Chamber of Commerce. |
| Samuel Stokely | Whig | March 4, 1841 – March 4, 1843 | 19th | [data missing] |
| Louis Stokes | Democratic | January 3, 1969 – January 3, 1993 | 21st | [data missing] |
| Louis Stokes | Democratic | January 3, 1993 – January 3, 1999 | 11th | [data missing] |
| Alfred P. Stone | Democratic | October 8, 1844 – March 4, 1845 | 10th | [data missing] |
| Bellamy Storer | Anti-Jacksonian | March 4, 1835 – March 4, 1837 | 1st | [data missing] |
| Bellamy Storer | Republican | March 4, 1891 – March 4, 1895 | 1st | [data missing] |
| Peter Wilson Strader | Democratic | March 4, 1869 – March 4, 1871 | 1st | [data missing] |
| Ted Strickland | Democratic | January 3, 1993 – January 3, 1995 | 6th | [data missing] |
| Ted Strickland | Democratic | January 3, 1997 – January 3, 2007 | 6th | [data missing] |
| Luther M. Strong | Republican | March 4, 1893 – March 4, 1897 | 8th | [data missing] |
| Andrew Stuart | Democratic | March 4, 1853 – March 4, 1855 | 21st | [data missing] |
| Betty Sutton | Democratic | January 3, 2007 – January 3, 2013 | 13th | [data missing] |
| Henry Swearingen | Democratic | December 3, 1838 – March 4, 1841 | 19th | [data missing] |
| Martin L. Sweeney | Democratic | November 3, 1931 – January 3, 1943 | 20th | [data missing] |
| Robert E. Sweeney | Democratic | January 3, 1965 – January 3, 1967 | At-large | [data missing] |
| George Sweeny | Democratic | March 4, 1839 – March 4, 1843 | 14th | [data missing] |
| Charles Sweetser | Democratic | March 4, 1849 – March 4, 1853 | 10th | [data missing] |
| Robert M. Switzer | Republican | March 4, 1911 – March 4, 1919 | 10th | [data missing] |
| Emilia Sykes | Democratic | January 3, 2023 – present | 13th | Incumbent |
| Charles Phelps Taft | Republican | March 4, 1895 – March 4, 1897 | 1st | Retired |
| Robert Taft Jr. | Republican | January 3, 1963 – January 3, 1965 | At-large | Retired to run for U.S. Senate |
| Robert Taft Jr. | Republican | January 3, 1967 – January 3, 1971 | 1st | Retired to run for U.S. Senate |
| Charles Tatgenhorst Jr. | Republican | November 8, 1927 – March 4, 1929 | 2nd | Elected to finish Ambrose E.B. Stephens's term Retired |
| Robert Walker Tayler | Republican | March 4, 1895 – March 4, 1903 | 18th | Retired |
| David James Taylor | Republican | January 3, 2025 – present | 2nd | Incumbent |
| Edward L. Taylor Jr. | Republican | March 4, 1905 – March 4, 1913 | 12th | [data missing] |
| Ezra B. Taylor | Republican | December 13, 1880 – March 4, 1893 | 19th | [data missing] |
| Isaac Hamilton Taylor | Republican | March 4, 1885 – March 4, 1887 | 18th | [data missing] |
| John L. Taylor | Whig | March 4, 1847 – March 4, 1853 | 8th | [data missing] |
| John L. Taylor | Whig | March 4, 1853 – March 4, 1855 | 10th | [data missing] |
| Jonathan Taylor | Democratic | March 4, 1839 – March 4, 1841 | 12th | [data missing] |
| Joseph D. Taylor | Republican | January 2, 1883 – March 4, 1883 | 16th | [data missing] |
| Joseph D. Taylor | Republican | March 4, 1883 – March 4, 1885 | 17th | [data missing] |
| Joseph D. Taylor | Republican | March 4, 1887 – March 4, 1891 | 17th | [data missing] |
| Joseph D. Taylor | Republican | March 4, 1891 – March 4, 1893 | 18th | [data missing] |
| Vincent Albert Taylor | Republican | March 4, 1891 – March 4, 1893 | 20th | [data missing] |
| Thomas C. Theaker | Republican | March 4, 1859 – March 4, 1861 | 17th | [data missing] |
| William R. Thom | Democratic | March 4, 1933 – January 3, 1939 | 16th | [data missing] |
| William R. Thom | Democratic | January 3, 1941 – January 3, 1943 | 16th | [data missing] |
| William R. Thom | Democratic | January 3, 1945 – January 3, 1947 | 16th | [data missing] |
| W. Aubrey Thomas | Republican | November 8, 1904 – March 4, 1911 | 19th | [data missing] |
| Charles J. Thompson | Republican | March 4, 1919 – March 4, 1931 | 5th | [data missing] |
| Albert C. Thompson | Republican | March 4, 1885 – March 4, 1887 | 12th | [data missing] |
| Albert C. Thompson | Republican | March 4, 1887 – March 4, 1891 | 11th | [data missing] |
| John Thomson | Jacksonian | March 4, 1825 – March 4, 1827 | 6th | [data missing] |
| John Thomson | Jacksonian | March 4, 1829 – March 4, 1833 | 12th | [data missing] |
| John Thomson | Jacksonian | March 4, 1833 – March 4, 1837 | 17th | [data missing] |
| Allen G. Thurman | Democratic | March 4, 1845 – March 4, 1847 | 8th | [data missing] |
| Pat Tiberi | Republican | January 3, 2001 – January 15, 2018 | 12th | Resigned January 15, 2018, to lead the Ohio Business Roundtable |
| Daniel Rose Tilden | Whig | March 4, 1843 – March 4, 1847 | 19th | [data missing] |
| Cydnor B. Tompkins | Republican | March 4, 1857 – March 4, 1861 | 16th | [data missing] |
| Emmett Tompkins | Republican | March 4, 1901 – March 4, 1903 | 12th | [data missing] |
| William E. Tou Velle | Democratic | March 4, 1907 – March 4, 1911 | 4th | [data missing] |
| Amos Townsend | Republican | March 4, 1877 – March 4, 1883 | 20th | [data missing] |
| Norton S. Townshend | Democratic | March 4, 1851 – March 4, 1853 | 21st | [data missing] |
| James Traficant | Democratic | January 3, 1985 – July 24, 2002 | 17th | Expelled after being convicted of federal corruption charges |
| Carey A. Trimble | Republican | March 4, 1859 – March 4, 1863 | 10th | [data missing] |
| Charles V. Truax | Democratic | March 4, 1933 – August 9, 1935 | At-large | Died |
| Mike Turner | Republican | January 3, 2003 – January 3, 2013 | 3rd | Incumbent |
| Mike Turner | Republican | January 3, 2013 – present | 10th | Incumbent |
| Mell G. Underwood | Democratic | March 4, 1923 – April 10, 1936 | 11th | Resigned after becoming judge of the U.S. District Court for the Southern District of Ohio |
| Jonathan T. Updegraff | Republican | March 4, 1879 – March 4, 1881 | 18th | Died. |
| Jonathan T. Updegraff | Republican | March 4, 1881 – November 30, 1882 | 16th | Died. |
| William Hanford Upson | Republican | March 4, 1869 – March 4, 1873 | 18th | [data missing] |
| Clement L. Vallandigham | Democratic | May 25, 1858 – March 4, 1863 | 3rd | [data missing] |
| Philadelph Van Trump | Democratic | March 4, 1867 – March 4, 1873 | 12th | [data missing] |
| H. Clay Van Voorhis | Republican | March 4, 1893 – March 4, 1905 | 15th | [data missing] |
| Nelson Holmes Van Vorhes | Republican | March 4, 1875 – March 4, 1879 | 15th | [data missing] |
| John L. Vance | Democratic | March 4, 1875 – March 4, 1877 | 11th | [data missing] |
| Joseph Vance | Democratic-Republican | March 4, 1821 – March 4, 1823 | 5th | [data missing] |
| Joseph Vance | Democratic-Republican | March 4, 1823 – March 4, 1825 | 4th | [data missing] |
| Joseph Vance | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | 4th | [data missing] |
| Joseph Vance | Anti-Jacksonian | March 4, 1829 – March 4, 1833 | 4th | [data missing] |
| Joseph Vance | Anti-Jacksonian | March 4, 1833 – March 4, 1835 | 10th | [data missing] |
| Joseph Vance | Whig | March 4, 1843 – March 4, 1847 | 4th | [data missing] |
| Charles Vanik | Democratic | January 3, 1955 – January 3, 1969 | 21st | [data missing] |
| Charles Vanik | Democratic | January 3, 1969 – January 3, 1981 | 22nd | [data missing] |
| John I. Vanmeter | Whig | March 4, 1843 – March 4, 1845 | 8th | [data missing] |
| Samuel Finley Vinton | Democratic-Republican | March 4, 1823 – March 4, 1825 | 7th | [data missing] |
| Samuel Finley Vinton | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | 7th | [data missing] |
| Samuel Finley Vinton | Anti-Jacksonian | March 4, 1829 – March 4, 1833 | 7th | [data missing] |
| Samuel Finley Vinton | Anti-Jacksonian | March 4, 1833 – March 4, 1835 | 6th | [data missing] |
| Samuel Finley Vinton | Whig | March 4, 1835 – March 4, 1837 | 6th | [data missing] |
| Samuel Finley Vinton | Whig | March 4, 1843 – March 4, 1851 | 12th | [data missing] |
| John M. Vorys | Republican | January 3, 1939 – January 3, 1959 | 12th | [data missing] |
| Edward Wade | Free Soil | March 4, 1853 – March 4, 1855 | 19th | [data missing] |
| Edward Wade | Opposition | March 4, 1855 – March 4, 1857 | 19th | [data missing] |
| Edward Wade | Republican | March 4, 1857 – March 4, 1861 | 19th | [data missing] |
| Earl T. Wagner | Democratic | January 3, 1949 – January 3, 1951 | 2nd | [data missing] |
| Jonathan Hasson Wallace | Democratic | May 27, 1884 – March 4, 1885 | 18th | [data missing] |
| Ansel T. Walling | Democratic | March 4, 1875 – March 4, 1877 | 12th | [data missing] |
| Adoniram J. Warner | Democratic | March 4, 1879 – March 4, 1881 | 13th | [data missing] |
| Adoniram J. Warner | Democratic | March 4, 1883 – March 4, 1885 | 15th | [data missing] |
| Adoniram J. Warner | Democratic | March 4, 1885 – March 4, 1887 | 17th | [data missing] |
| William R. Warnock | Republican | March 4, 1901 – March 4, 1905 | 8th | [data missing] |
| John G. Warwick | Democratic | March 4, 1891 – August 14, 1892 | 16th | Died |
| Cooper K. Watson | Opposition | March 4, 1855 – March 4, 1857 | 9th | [data missing] |
| David K. Watson | Republican | March 4, 1895 – March 4, 1897 | 12th | [data missing] |
| Walter Lowrie Weaver | Republican | March 4, 1897 – March 4, 1901 | 7th | [data missing] |
| Amos R. Webber | Republican | November 8, 1904 – March 4, 1907 | 14th | [data missing] |
| Ed Weber | Republican | January 3, 1981 – January 3, 1983 | 9th | [data missing] |
| Taylor Webster | Jacksonian | March 4, 1833 – March 4, 1837 | 2nd | [data missing] |
| Taylor Webster | Democratic | March 4, 1837 – March 4, 1839 | 2nd | [data missing] |
| Capell L. Weems | Republican | November 3, 1903 – March 4, 1909 | 16th | [data missing] |
| Alvin F. Weichel | Republican | January 3, 1943 – January 3, 1955 | 13th | [data missing] |
| John Welch | Whig | March 4, 1851 – March 4, 1853 | 12th | [data missing] |
| Martin Welker | Republican | March 4, 1865 – March 4, 1871 | 14th | [data missing] |
| John B. Weller | Democratic | March 4, 1839 – March 4, 1845 | 2nd | [data missing] |
| Benjamin F. Welty | Democratic | March 4, 1917 – March 4, 1921 | 4th | [data missing] |
| Brad Wenstrup | Republican | January 3, 2013 – January 3, 2025 | 2nd | Retired. |
| Charles F. West | Democratic | March 4, 1931 – January 3, 1935 | 17th | [data missing] |
| Charles W. Whalen Jr. | Republican | January 3, 1967 – January 3, 1979 | 3rd | [data missing] |
| John Jefferson Whitacre | Democratic | March 4, 1911 – March 4, 1915 | 18th | [data missing] |
| Chilton A. White | Democratic | March 4, 1861 – March 4, 1865 | 6th | [data missing] |
| Dudley A. White | Republican | January 3, 1937 – January 3, 1941 | 13th | [data missing] |
| George White | Democratic | March 4, 1911 – March 4, 1915 | 15th | [data missing] |
| George White | Democratic | March 4, 1917 – March 4, 1919 | 15th | [data missing] |
| Joseph W. White | Democratic | March 4, 1863 – March 4, 1865 | 16th | [data missing] |
| Wilbur M. White | Republican | March 4, 1931 – March 4, 1933 | 9th | [data missing] |
| William J. White | Republican | March 4, 1893 – March 4, 1895 | 20th | [data missing] |
| Elisha Whittlesey | Democratic-Republican | March 4, 1823 – March 4, 1825 | 13th | Resigned |
| Elisha Whittlesey | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | 13th | Resigned |
| Elisha Whittlesey | Anti-Jacksonian | March 4, 1829 – March 4, 1833 | 13th | Resigned |
| Elisha Whittlesey | Anti-Masonic | March 4, 1833 – March 4, 1835 | 16th | Resigned |
| Elisha Whittlesey | Whig | March 4, 1835 – July 9, 1838 | 16th | Resigned |
| William A. Whittlesey | Democratic | March 4, 1849 – March 4, 1851 | 13th | [data missing] |
| Charles Preston Wickham | Republican | March 4, 1887 – March 4, 1891 | 14th | [data missing] |
| Beriah Wilkins | Democratic | March 4, 1883 – March 4, 1885 | 16th | [data missing] |
| Beriah Wilkins | Democratic | March 4, 1885 – March 4, 1887 | 15th | [data missing] |
| Beriah Wilkins | Democratic | March 4, 1887 – March 4, 1889 | 16th | [data missing] |
| Elihu S. Williams | Democratic | March 4, 1887 – March 4, 1891 | 3rd | [data missing] |
| Lyle Williams | Republican | January 3, 1979 – January 3, 1983 | 19th | [data missing] |
| Lyle Williams | Republican | January 3, 1983 – January 3, 1985 | 17th | [data missing] |
| Seward H. Williams | Republican | March 4, 1915 – March 4, 1917 | 14th | [data missing] |
| Frank B. Willis | Republican | March 4, 1911 – January 9, 1915 | 8th | Resigned after being elected Governor |
| Charlie Wilson | Democratic | January 3, 2007 – January 3, 2011 | 6th | [data missing] |
| George W. Wilson | Republican | March 4, 1893 – March 4, 1897 | 7th | [data missing] |
| John Thomas Wilson | Republican | March 4, 1867 – March 4, 1873 | 11th | [data missing] |
| William Wilson | Democratic-Republican | March 4, 1823 – March 4, 1825 | 8th | [data missing] |
| William Wilson | Anti-Jacksonian | March 4, 1825 – June 6, 1827 | 8th | Died |
| James J. Winans | Republican | March 4, 1869 – March 4, 1871 | 7th | [data missing] |
| Amos E. Wood | Democratic | December 3, 1849 – November 19, 1850 | 6th | Died |
| John Woods | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | 2nd | [data missing] |
| Laurin D. Woodworth | Republican | March 4, 1873 – March 4, 1877 | 17th | [data missing] |
| Samuel T. Worcester | Republican | March 4, 1861 – March 4, 1863 | 13th | [data missing] |
| John C. Wright | Democratic-Republican | March 4, 1823 – March 4, 1825 | 11th | [data missing] |
| John C. Wright | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | 11th | [data missing] |
| Chalmers P. Wylie | Republican | January 3, 1967 – January 3, 1993 | 15th | [data missing] |
| Samuel S. Yoder | Democratic | March 4, 1887 – March 4, 1891 | 4th | [data missing] |
| Stephen M. Young | Democratic | March 4, 1933 – January 3, 1937 | At-large | [data missing] |
| Stephen M. Young | Democratic | January 3, 1941 – January 3, 1943 | At-large | [data missing] |
| Stephen M. Young | Democratic | January 3, 1949 – January 3, 1951 | At-large | [data missing] |
| Thomas L. Young | Republican | March 4, 1879 – March 4, 1883 | 2nd | [data missing] |