| | "#","Name","Took office","Left office","Party","Governor","Notes" |
| | "1","Christopher Harrison","November 7, 1816","December 17, 1818","Democratic-Republican","Jonathan Jennings","" |
| | "2","Ratliff Boon","December 8, 1819","September 12, 1822","Democratic-Republican","Jonathan Jennings","" |
| | "3","Ratliff Boon","September 12, 1822","January 30, 1824","Democratic-Republican","William Hendricks","" |
| | "4","John H. Thompson","January 30, 1824","December 3, 1828","Democratic-Republican","William Hendricks","" |
| | "5","Milton Stapp","December 3, 1828","December 7, 1831","Independent","James B. Ray","" |
| | "6","David Wallace","December 7, 1831","December 6, 1837","Whig","Noah Noble","" |
| | "7","David Hillis","December 6, 1837","December 9, 1840","Whig","David Wallace","" |
| | "8","Samuel Hall","December 9, 1840","December 6, 1843","Whig","Samuel Bigger","" |
| | "9","Jesse D. Bright","December 6, 1843","December 6, 1845","Democrat","James Whitcomb","" |
| | "10","Paris C. Dunning","December 9, 1846","December 26, 1848","Democrat","James Whitcomb","" |
| | "11","James Henry Lane","December 5, 1849","January 10, 1853","Democrat","Joseph A. Wright","" |
| | "12","Ashbel P. Willard","January 10, 1853","January 12, 1857","Democrat","Joseph A. Wright","" |
| | "13","Abram A. Hammond","January 12, 1857","October 3, 1860","Democrat","Ashbel P. Willard","" |
| | "14","Oliver P. Morton","January 14, 1861","January 16, 1861","Republican","Henry Smith Lane","" |
| | "—","John R. Cravens","January 16, 1861","October 9, 1863","Republican","Oliver P. Morton","acting" |
| | "—","Paris C. Dunning","October 9, 1863","January 16, 1865","Democrat","Oliver P. Morton","acting" |
| | "15","Conrad Baker","January 9, 1865","January 23, 1867","Republican","Oliver P. Morton","" |
| | "16","William Cumback","January 11, 1869","January 13, 1873","Republican","Conrad Baker","" |
| | "17","Leonidas Sexton","January 13, 1873","January 13, 1877","Republican","Thomas A. Hendricks","" |
| | "18","Isaac P. Gray","January 13, 1877","November 2, 1880","Democrat","James D. Williams","" |
| | "—","Fredrick Vieche","November 20, 1880","January 8, 1881","Democrat","Isaac P. Gray","acting" |
| | "19","Thomas Hanna","January 10, 1881","November 12, 1885","Republican","Albert G. Porter","" |
| | "20","Mahlon Dickerson Manson","January 12, 1885","August 3, 1886","Democrat","Isaac P. Gray","" |
| | "21","Robert S. Robertson","January 10, 1887","January 13, 1889","Republican","Isaac P. Gray","" |
| | "–","Alonzo G. Smith","November 8, 1886","January 14, 1889","Democrat","Isaac P. Gray","acting" |
| | "22","Ira Joy Chase","January 14, 1889","November 24, 1891","Republican","Alvin Peterson Hovey","acting" |
| | "—","Francis M. Griffith","November 23, 1891","January 9, 1893","Republican","Ira Joy Chase","acting" |
| | "23","Mortimer Nye","January 9, 1893","January 11, 1897","Democrat","Claude Matthews","" |
| | "24","William S. Haggard","January 11, 1897","January 14, 1901","Republican","James A. Mount","" |
| | "25","Newton W. Gilbert","January 14, 1901","January 9, 1905","Republican","Winfield T. Durbin","" |
| | "26","Hugh Thomas Miller","January 9, 1905","January 11, 1909","Republican","Frank Hanly","" |
| | "27","Frank J. Hall","January 11, 1909","January 13, 1913","Democrat","Thomas R. Marshall","" |
| | "28","William P. O'Neill","January 13, 1913","January 8, 1917","Democrat","Samuel M. Ralston","" |
| | "29","Edgar D. Bush","January 8, 1917","January 10, 1921","Republican","James P. Goodrich","" |
| | "30","Emmett Forrest Branch","January 10, 1921","April 30, 1924","Republican","Warren T. McCray","" |
| | "—","James J. Nejdl","April 30, 1924","January 12, 1925","Republican","Warren T. McCray","acting" |
| | "31","F. Harold Van Orman","January 12, 1925","January 14, 1929","Republican","Edward L. Jackson","" |
| | "32","Edgar D. Bush","January 14, 1929","January 9, 1933","Republican","Harry G. Leslie","" |
| | "33","M. Clifford Townsend","January 9, 1933","January 11, 1937","Democrat","Paul V. McNutt","" |
| | "34","Henry F. Schricker","January 11, 1937","January 13, 1941","Democrat","M. Clifford Townsend","" |
| | "35","Charles M. Dawson","January 13, 1941","January 8, 1945","Democrat","Henry F. Schricker","" |
| | "36","Richard T. James","January 8, 1945","January 10, 1948","Republican","Ralph F. Gates","" |
| | "37","Rue J. Alexander","April 14, 1948","January 2, 1949","Republican","Henry F. Schricker","" |
| | "38","John A. Watkins","January 10, 1949","January 12, 1953","Democrat","Henry F. Schricker","" |
| | "39","Harold W. Handley","January 12, 1953","January 14, 1957","Republican","George N. Craig","" |
| | "40","Crawford F. Parker","January 14, 1957","January 9, 1961","Republican","Harold W. Handley","" |
| | "41","Richard O. Ristine","January 9, 1961","January 11, 1965","Republican","Matthew E. Welsh","" |
| | "42","Robert L. Rock","January 11, 1965","January 13, 1969","Democrat","Roger D. Branigin","" |
| | "43","Richard E. Folz","January 13, 1969","January 8, 1973","Republican","Edgar Whitcomb","" |
| | "44","Robert D. Orr","January 8, 1973","January 12, 1981","Republican","Otis R. Bowen","" |
| | "45","John Mutz","January 12, 1981","January 9, 1989","Republican","Robert D. Orr","" |
| | "46","Frank O'Bannon","January 9, 1989","January 13, 1997","Democrat","Evan Bayh","" |
| | "47","Joe E. Kernan","January 13, 1997","September 13, 2003","Democrat","Frank O'Bannon","" |
| | "48","Kathy Davis","October 20, 2003","January 10, 2005","Democrat","Joe E. Kernan","" |
| | "49","Becky Skillman","January 10, 2005","January 14, 2013","Republican","Mitch Daniels","" |
| | "50","Sue Ellspermann","January 14, 2013","Incumbent","Republican","Mike Pence","" |
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