XII. corps
XII. (12th) Corps or XII. Army Corps stands for the following major military units:
- XII. (I. Royal Saxon) Army Corps (German Empire)
- 12th Corps (Austria-Hungary)
- XII. Army Corps (Wehrmacht)
- XII. British Corps
- XII. Army Corps (France)
- XII. US Corps (World War II)
- XII. Corps (ACW) , American Civil War
- XII. SS Army Corps
