Infanterie-Division) was an infantry division of the German Heer during World War II.

Between November 1943 and June 1944, it was known as Division Group 321 (German: Divisionsgruppe 321).

Its initial recruits were drawn, among others, from parts of the 267th and 295th Infantry Divisions, of the fourth and eighth Aufstellungswelle respectively.

[1] Starting in January 1943, the 321st Infantry Division, commanded by Wilhelm Thomas since 16 November 1942,[2] was deployed in the central sector of the Eastern Front.

[1] Division Group 321, which was formally assembled on 2 November 1943 (the day of the dissolution of the 321st Infantry Division), was destroyed in June 1944 while under command of Army Group Center, which was at that time suffering a decisive strategic defeat at Soviet hands (Operation Bagration).