Indiana Adjutant General
The Adjutant General of Indiana is the commander of the Indiana National Guard, the Indiana Guard Reserve, and, when active, the Indiana Naval Militia. The Adjutant General is responsible for all state, non-federalized military and reports directly to the Governor of Indiana. Indiana's TAG is appointed by the governor and serves a term concurrent with the governor. The Adjutant General must hold a rank of Brigadier General or higher.
There have been 56 men who served as Adjutant General in Indiana; 3 have served nonconsecutive terms, bringing the total number of terms to 59.
List of Adjutants General of Indiana
The following have served as Adjutants General in Indiana:| # | Name | From Date | Appointed by | Served until |
| 59 | BG R. Dale Lyles | 1 October 2019 | Eric Holcomb | Present |
| BG Timothy Winslow | 9 August 2019 | Eric Holcomb | 1 October 2019 | |
| 58 | MG Courtney P. Carr | 1 June 2015 | Mike Pence | 9 August 2019 |
| 57 | MG Roy Martin Umbarger | 11 March 2004 | Joe Kernan Mitch Daniels Mike Pence | 31 May 2015 |
| 56 | MG George A. Buskirk | 5 November 2002 | Frank O'Bannon | 11 March 2004 |
| 55 | MG Robert J. Mitchell | 1997 | Frank O'Bannon | 5 November 2002 |
| 54 | MG Charles W. Whitaker | 21 April 1990 | Evan Bayh | 1997 |
| 53 | MG Jack K. Elrod | 1989 | 1990 | |
| 52 | MG Carl G. Farrell | 1986 | 1989 | |
| 51 | MG Alfred F. Ahner | 1972 | 1986 | |
| 50 | John M. Owens | 1969 | 1972 | |
| 49 | John S. Anderson | 1961 | 1969 | |
| 48 | Alfred F. Ahner | 1960 | 1961 | |
| 47 | John W. McConnell | 1957 | 1960 | |
| 46 | Harold H. Doherty | 1953 | 1957 | |
| 45 | Robinson Hitchcock | 1949 | 1953 | |
| 44 | Howard H. Maxwell | 1947 | 1949 | |
| 43 | Ben H. Watt | 1945 | 1947 | |
| 42 | Elmer W. Sherwood | 1945 | 1945 | |
| 41 | William P. Weimer | 1942 | 1945 | |
| 40 | Elmer F. Straub | 1941 | 1942 | |
| 39 | James D. Friday | 1941 | 1941 | |
| 38 | Elmer F. Straub | 1933 | 1941 | |
| 37 | Paul E. Tombaugh | 1931 | 1933 | |
| 36 | Manford G. Henley | 1929 | 1931 | |
| 35 | BG William G. Everson | 1929 | Harry G. Leslie | |
| 34 | William H. Kershner | 1925 | 1929 | |
| 33 | Harry B. Smith | 1917 | 1925 | |
| 32 | Franklin L. Bridges | 1914 | 1917 | |
| 31 | George W. McCoy | 1909 | 1913 | |
| 30 | Oran Perry | 1905 | 1909 | |
| 29 | John R. Ward | 1901 | Winfield T. Durbin | 1905 |
| 28 | James K. Gore | 1897 | James A. Mount | 1901 |
| 27 | Irwin Robbins | 1893 | 1897 | |
| 26 | Nicholas R. Ruckle | 1889 | 1893 | |
| 25 | George W. Koontz | 1885 | Isaac P. Gray | 1889 |
| 24 | James R. Carnahan | 17 January 1881 | Albert G. Porter | 1885 |
| 23 | George W. Russ | 13 February 1877 | James D. Williams | 1881 |
| 22 | William W. Conner | 1873 | Thomas A. Hendricks | 1877 |
| 21 | John G. Greenwalt | 1 April 1870 | Conrad Baker | 1873 |
| 20 | MG James C. Veatch | 1869 | Conrad Baker | 1870 |
| 19 | BG William Henry Harrison Terrell | 1864 | Oliver P. Morton | 1869 |
| 18 | Lazarus Noble | 1861 | Oliver P. Morton | 1864 |
| 17 | John M. Wallace | 1861 | 1861 | |
| 16 | Lew Wallace | 1861 | 1861 | |
| 15 | William A. Morrison | 1857 | Ashbel P. Willard | 1861 |
| 14 | Stephen Tomlinson | 1854 | Joseph A. Wright | 1857 |
| 13 | GEN David Reynolds | 6 January 1844 | James Whitcomb | 1854 |
| 12 | Douglas Maguire | 1838 | David Wallace | 1843 |
| 11 | Jacob Landis | 1832 | Noah Noble | 1838 |
| 10 | Thomas Posey | 1823 | William Hendricks | 1831 |
| 9 | Stephen Ranney | 1822 | 1823 | |
| 8 | Henry Coburn | 1819 | Jonathan Jennings | 1822 |
| 7 | Stephen Ranney | 1817 | Jonathan Jennings | 1819 |
The following Adjutants General served in Indiana Territory:
| # | Name | From Date | Appointed by | Served until |
| 6 | COL Allen B. Thorn | 17 September 1814 | Thomas Posey | 1817 Statehood |
| 5 | COL Walter Taylor | 24 February 1814 | Thomas Posey | 17 September 1814 |
| 4 | COL W. Johnson | 10 September 1813 | Thomas Posey | 24 February 1814 |
| 2 | COL Daniel Sullivan | 14 January 1813 | John Gibson | 10 September 1813 |
| 3 | COL Charles Smith | 21 October 1812 | William Henry Harrison | 1813 |
| 2 | COL Daniel Sullivan | 12 July 1812 | William Henry Harrison | 1812 |
| 1 | John Small | 1801 | William Henry Harrison | 1812 |