77th Division or 75th Infantry Division may refer to:
- 77th Infantry Division (Wehrmacht), Germany
- 77th Infantry Division of Khurasan, Iran
- 77th Division (Imperial Japanese Army)
- 77th Division (People's Republic of China)
- 77th Division (Spain)
- 77th Infantry Division (United Kingdom)
- 77th Infantry Division (United States)
- 77th Infantry Division (Russian Empire)
- 77th Mountain Rifle Division, Soviet Union