15th Army
15th Army was the name of the following major units:
- 15th Army (Wehrmacht) , Army in World War II
- 15th Army (Red Army) , association in the Russian Civil War under August Kork and in World War II
- Fifteenth United States Army , federation in World War II
- 15th Army (Japanese Empire) , Association of the Imperial Japanese Army in the Pacific War
- 15th Regional Army , Union of the Imperial Japanese Army in World War II