Indiana - Union
Cavalry
| 1st Regiment Cavalry | 2nd Regiment Cavalry | 3rd Regiment Cavalry |
| 3rd Regiment Cavalry, Left Wing | 4th Regiment Cavalry | 5th Regiment Cavalry |
| 6th Regiment Cavalry | 7th Regiment Cavalry | 8th Regiment Cavalry |
| 9th Regiment Cavalry | 10th Regiment Cavalry | 11th Regiment Cavalry |
| 12th Regiment Cavalry | 13th Regiment Cavalry | Stewart's Ind. Cavalry Company |
| Bracken's Ind. Cavalry Company | Ind. Company Mounted Scouts |
Artillery
| 1st Regiment Heavy Artillery | 1st Ind. Batt. Light Artillery | 2nd Ind. Batt. Light Artillery |
| 3rd Ind. Batt. Light Artillery | 4th Ind. Batt. Light Artillery | 5th Ind. Batt. Light Artillery |
| 6th Ind. Batt. Light Artillery | 7th Ind. Batt. Light Artillery | 8th Ind. Batt. Light Artillery |
| 9th Ind. Batt. Light Artillery | 10th Ind. Batt. Light Artillery | 11th Ind. Batt. Light Artillery |
| 12th Ind. Batt. Light Artillery | 13th Ind. Batt. Light Artillery | 14th Ind. Batt. Light Artillery |
| 15th Ind. Batt. Light Artillery | 16th Ind. Batt. Light Artillery | 17th Ind. Batt. Light Artillery |
| 18th Ind. Batt. Light Artillery | 19th Ind. Batt. Light Artillery | 20th Ind. Batt. Light Artillery |
| 21st Ind. Batt. Light Artillery | 22nd Ind. Batt. Light Artillery | 23rd Ind. Batt. Light Artillery |
| 24th Ind. Batt. Light Artillery | 25th Ind. Batt. Light Artillery | 26th Ind. Batt. Light Artillery |
Infantry
| 6th Regiment Infantry (3 months) | 6th Regiment Infantry (3 years) | 7th Regiment Infantry (3 months) |
| 7th Regiment Infantry (3 years) | 8th Regiment Infantry (3 months) | 8th Regiment Infantry (3 years) |
| 9th Regiment Infantry (3 months) | 9th Regiment Infantry (3 years) | 10th Regiment Infantry (3 months) |
| 10th Regiment Infantry (3 years) | 11th Regiment Infantry (3 months) | 11th Regiment Infantry (3 years) |
| 12th Regiment Infantry (1 year) | 12th Regiment Infantry (3 years) | 13th Regiment Infantry |
| 14th Regiment Infantry | 15th Regiment Infantry | 16th Regiment Infantry (1 year) |
| 16th Regiment Infantry (3 years) | 17th Regiment Infantry | 18th Regiment Infantry |
| 19th Regiment Infantry | 20th Regiment Infantry | 21st Regiment Infantry |
| 22nd Regiment Infantry | 23rd Regiment Infantry | 24th Regiment Infantry |
| 25th Regiment Infantry | 26th Regiment Infantry | 27th Regiment Infantry |
| 28th Regiment Volunteers | 28th Regiment Infantry (African Descent) | 29th Regiment Infantry |
| 30th Regiment Infantry | 31st Regiment Infantry | 32nd Regiment Infantry |
| 33rd Regiment Infantry | 34th Regiment Infantry | 35th Regiment Infantry |
| 36th Regiment Infantry | 37th Regiment Infantry | 38th Regiment Infantry |
| 39th Regiment Infantry | 40th Regiment Infantry | 41st Regiment Volunteers |
| 42nd Regiment Infantry | 43rd Regiment Infantry | 44th Regiment Infantry |
| 45th Regiment Volunteers | 46th Regiment Infantry | 47th Regiment Infantry |
| 48th Regiment Infantry | 49th Regiment Infantry | 50th Regiment Infantry |
| 5st Regiment Infantry | 52nd Regiment Infantry | 53rd Regiment Infantry |
| 54th Regiment Infantry (3 months) | 54th Regiment Infantry (1 year) | 55th Regiment Infantry |
| 56th Regiment Infantry | 57th Regiment Infantry | 58th Regiment Infantry |
| 59th Regiment Infantry | 60th Regiment Infantry | 61st Regiment Infantry |
| 62nd Regiment Infantry | 63rd Regiment Infantry | 64th Regiment Infantry |
| 65th Regiment Infantry | 66th Regiment Infantry | 67th Regiment Infantry |
| 68th Regiment Infantry | 69th Regiment Infantry | 70th Regiment Infantry |
| 71st Regiment Infantry | 72nd Regiment Infantry | 73rd Regiment Infantry |
| 74th Regiment Infantry | 75th Regiment Infantry | 76th Regiment Infantry |
| 77th Regiment Volunteers | 78th Regiment Infantry | 79th Regiment Infantry |
| 80th Regiment Infantry | 81st Regiment Infantry | 82nd Regiment Infantry |
| 83rd Regiment Infantry | 84th Regiment Infantry | 85th Regiment Infantry |
| 86th Regiment Infantry | 87th Regiment Infantry | 88th Regiment Infantry |
| 89th Regiment Infantry | 90th Regiment Infantry | 91st Regiment Infantry |
| 92nd Regiment Infantry | 93rd Regiment Infantry | 94th Regiment Infantry |
| 95th Regiment Infantry | 96th Regiment Infantry | 97th Regiment Infantry |
| 98th Regiment Infantry | 99th Regiment Infantry | 100th Regiment Infantry |
| 101st Regiment Infantry | 102nd Regiment Infantry | 103rd Regiment Infantry |
| 104th Regiment Infantry | 105th Regiment Infantry | 106th Regiment Infantry |
| 107th Regiment Infantry | 108th Regiment Infantry | 109th Regiment Infantry |
| 110th Regiment Infantry | 111th Regiment Infantry | 112th Regiment Infantry |
| 113th Regiment Infantry | 114th Regiment Infantry | 115th Regiment Infantry |
| 116th Regiment Infantry | 117th Regiment Infantry | 118th Regiment Infantry |
| 119th Regiment Volunteers | 120th Regiment Infantry | 121st Regiment Volunteers |
| 122nd Regiment Infantry | 123rd Regiment Infantry | 124th Regiment Infantry |
| 125th Regiment Volunteers | 126th Regiment Volunteers | 127th Regiment Volunteers |
| 128th Regiment Infantry | 129th Regiment Infantry | 130th Regiment Infantry |
| 131st Regiment Volunteers | 132nd Regiment Infantry | 133rd Regiment Infantry |
| 134th Regiment Infantry | 135th Regiment Infantry | 136th Regiment Infantry |
| 137th Regiment Infantry | 138th Regiment Infantry | 139th Regiment Infantry |
| 140th Regiment Infantry | 141st Regiment Infantry | 142nd Regiment Infantry |
| 143rd Regiment Infantry | 144th Regiment Infantry | 145th Regiment Infantry |
| 146th Regiment Infantry | 147th Regiment Infantry | 148th Regiment Infantry |
| 149th Regiment Infantry | 150th Regiment Infantry | 151st Regiment Infantry |
| 152nd Regiment Infantry | 153rd Regiment Infantry | 154th Regiment Infantry |
| 155th Regiment Infantry | 156th Regiment Infantry | 157th Regiment Infantry |
| 158th Regiment Infantry | 159th Regiment Infantry |