Ohio Governors
- 1803-1807.....Edward Tiffin...............Democratic-Republican
- 1807-1808.....Thomas Kirker...............Democratic-Republican
- 1808-1810.....Samuel H. Huntington...........Democratic-Republican
- 1810-1814.....Return Jonathan Meigs, Jr.........Democratic-Republican
- 1814..............Othneil Looker..............Democratic-Republican
- 1814-1818.....Thomas Worthington..........Democratic-Republican
- 1818-1822.....Ethan Allen Brown...........Democratic-Republican
- 1822..............Allen Trimble...............Federalist
- 1822-1826.....Jeremiah Morrow.............Democratic-Republican
- 1826-1830.....Allen Trimble (2)...........Federalist
- 1830-1832.....Duncan McArthur.............Federalist
- 1832-1836.....Robert Lucas................Democratic
- 1836-1838.....Joseph Vance................Whig
- 1838-1840.....Wilson Shannon..............Democratic
- 1840-1842.....Thomas Corwin...............Whig
- 1842-1844.....Wilson Shannon (2)..........Democratic
- 1844..............Thomas W. Bartley...........Democratic
- 1844-1846.....Mordecai Bartley............Whig
- 1846-1849.....William Bebb................Whig
- 1849-1850.....Seabury Ford................Whig
- 1850-1853.....Reuben Wood.................Democratic
- 1853-1856.....William Medill..............Democratic
- 1856-1860.....Salmon P. Chase.......Republican
- 1860-1862.....William Dennison............Republican
- 1862-1864.....David Todd..................Republican
- 1864-1865.....John Brough.................Republican
- 1865-1866.....Charles Anderson............Republican
- 1866-1868.....Jacob Dolson Cox............Republican
- 1868-1872.....Rutherford B. Hayes............Republican
- 1872-1874.....Edward F. Noyes.............Republican
- 1874-1876.....William Allen...............Democratic
- 1876-1877.....Rutherford B. Hayes (2).........Republican
- 1877-1878.....Thomas L. Young.............Republican
- 1878-1880.....Richard M. Bishop...........Democratic
- 1880-1884.....Charles Foster..............Republican
- 1884-1886.....George Hoadly...............Democratic
- 1886-1890.....Joseph B. Foraker...........Republican
- 1890-1892.....James E. Campbell...........Democratic
- 1892-1896.....William McKinley............Republican
- 1896-1900.....Asa S. Bushnell.............Republican
- 1900-1904.....George K. Nash..............Republican
- 1904-1906.....Myron T. Herrick............Republican
- 1906..............John M. Pattison............Democratic
- 1906-1909.....Andrew L. Harris............Republican
- 1909-1913.....Judson Harmon...............Democratic
- 1913-1915.....James M. Cox.........Democratic
- 1915-1917.....Frank B. Willis.............Republican
- 1917-1921.....James M. Cox (2).....Democratic
- 1921-1923.....Harry L. Davis..............Republican
- 1923-1929.....A. Victor Donahey...........Democratic
- 1929-1931.....Myers Y. Cooper.............Republican
- 1931-1935.....George White................Democratic
- 1935-1939.....Martin L. Davey.............Democratic
- 1939-1945.....John W. Bricker.............Republican
- 1945-1947.....Frank John Lausche............Democratic
- 1947-1949.....Thomas J. Herbert...........Republican
- 1949-1957.....Frank John Lausche (2)............Democratic
- 1957..............John William Brown...............Republican
- 1957-1959.....C. William O'Neill..........Republican
- 1959-1963.....Michael Vincent DiSalle..........Democratic
- 1963-1971.....James Allen Rhodes.............Republican
- 1971-1975.....John Joyce Gilligan............Democratic
- 1975-1983.....James Allen Rhodes (2).........Republican
- 1983-1991.....Richard Franklin Celeste..........Democratic
- 1991-1998.....George Victor Voinovich.....Republican
- 1998-1999.....Nancy Putnam Hollister..........Republican
- 1999-present..Bob Taft....................Republican