Many Alabama brigades associated with the Army of Tennessee had not formed by the time of this battle. Only the regiments marked in red participated in the Battle of Shiloh --
Deas' Brigade
- 19th Alabama Regt.
- 22nd Alabama Regt.
- 25th Alabama Regt.
- 39th Alabama Regt.
- 50th Alabama Regt.
Manigault's Brigade
- 24th Alabama Regt.
- 28th Alabama Regt.
- 34th Alabama Regt.
- 10th South Carolina Regt.
- 19th South Carolina Regt.
Pettus' Brigade
- 20th Alabama Regt.
- 23rd Alabama Regt.
- 30th Alabama Regt.
- 31st Alabama Regt.
- 46th Alabama Regt.
Cantey's Brigade
- 1st Alabama Regt.
- 17th Alabama Regt.
- 26th Alabama Regt.
- 29th Alabama Regt.
- 37th Mississippi Regt.
Clayton's Brigade
- 18th Alabama Regt.
- 36th Alabama Regt.
- 38th Alabama Regt.
- 32nd/58th Alabama Regt.
Lowery's Brigade
- 16th Alabama Regt.
- 33rd Alabama Regt.
- 45th Alabama Regt.
- 32nd Mississippi Regt.
- 45th Mississippi Regt.
- 15th Mississippi S.S. Battn.
Scott's Brigade
- 12th Louisiana Regt.
- 27th Alabama Regt.
- 35th Alabama Regt.
- 49th Alabama Regt. [Note - fought at Shiloh as Hale's 31st Alabama Regiment.]
- 55th Alabama Regt. [Note - four companies fought at Shiloh as Clifton's 4th Alabama Battalion, while two others were on the field with Martin's 2nd Confederate Regiment.]
Baker's Brigade
- 37th Alabama Regt.
- 40th Alabama Regt.
- 42nd Alabama Regt.
- 54th Alabama Regt.
In addition to these, the 21st Alabama Regiment saw action at Shiloh, as did the 38th Tennessee Regiment, which included two companies from central Alabama.
Alabama mounted units on the battlefield at Shiloh included Clanton's 1st Alabama Cavalry Regiment, Forrest's Cavalry Regiment (three Alabama companies), Wirt Adams Cavalry Regiment (five Alabama companies), 1st Alabama Cavalry Battalion (four Alabama companies), Brewer's Cavalry Battalion (three Alabama companies) and Capt. Robert W. Smith's "Crocheron Light Dragoons".