9th Army
9th Army was the name of the following major units:
- 9th Army (German Empire) , association in the First World War
- 9th Army (Wehrmacht) , association in World War II
- 9th Army (Russian Empire) , association of the Imperial Russian Army in World War I.
- 9th British Army , Union in World War II
- 9e armée (France) , federation in both world wars
- 9th Army (Red Army) , Union of the Red Army in World War II and Cold War
- Ninth United States Army , association of the US Army in World War II
- 9th Army (Ottoman Empire) , Association of the Ottoman Army between 1918 and 1919
