90th Division
90th Division may refer to:
- Infantry
- 90th Division (1st Formation) (People's Republic of China), 1949–1950
- 90th Division (2nd Formation) (People's Republic of China), 1950–1952
- 90th Light Infantry Division (Wehrmacht)
- 90th Infantry Division (United States)
- 90th Guards Rifle Division (Soviet Union)
- Armour
- 90th Guards Tank Division (Soviet Union, 1957–1985)
- 90th Guards Lvov Tank Division (1985–1997) (Soviet Union, 1985–1992 and Russia, 1992–1997)
- 90th Guards Tank Division (Russia, 2016–present)
- Aviation
- 90th Air Division (United States)