Tennessee - Union
Cavalry
| 1st Regiment Cavalry | 1st Middle Tennessee Cavalry | 1st West Tennessee Cavalry |
| 2nd Regiment Cavalry | 2nd West Tennessee Cavalry | 3rd Regiment Cavalry |
| 4th Regiment Cavalry | 5th Regiment Cavalry | 5th East Tennessee 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 | 14th Regiment Cavalry |
| Bradford's Battalion Cavalry | 1st Tennessee & Alabama Vidette Cavalry |
Artillery
| 1st Regiment Heavy Artillery (African Descent) | 2nd Regiment Heavy Artillery (African Descent) | 1st Battalion Light Artillery, Battery "A" |
| 1st Battalion Light Artillery, Battery "B" | 1st Battalion Light Artillery, Battery "C" | 1st Battalion Light Artillery, Battery "D" |
| 1st Battalion Light Artillery, Battery "E" | 1st Battalion Light Artillery, Battery "F" | 1st Battalion Light Artillery, Battery "G" |
| 1st Battalion Light Artillery, Battery "K" | Memphis Battery Light Artillery (African Descent) |
Infantry
| 1st Regiment Infantry | 1st Regiment Mounted Infantry | 1st Regiment Infantry (African Descent) |
| 1st Regiment Enrolled Militia Infantry | 2nd Regiment Infantry | 2nd Regiment Mounted Infantry |
| 2nd Regiment Infantry (African Descent) | 2nd Regiment Enrolled Militia Infantry | 3rd Regiment Infantry |
| 3rd Regiment Mounted Infantry | 3rd Regiment Enrolled Militia Infantry | 4th Regiment Infantry |
| 4th Regiment Mounted Infantry | 4th Regiment Enrolled Militia Infantry | 5th Regiment Infantry |
| 5th Regiment Mounted Infantry | 6th Regiment Infantry | 6th Regiment Mounted Infantry |
| 7th Regiment Infantry | 7th Regiment Mounted Infantry | 8th Regiment Infantry |
| 8th Regiment Mounted Infantry | 9th Regiment Infantry | 10th Regiment Infantry |
| Nashville Union Guards |