Operators
- Australia
- Royal Australian Air Force
- France
- Armée de l'Air
- Italy
- Italian Co-Belligerent Air Force
- Italy
- Aeronautica Militare
- Poland
- Polish Air Force (One aircraft operated; personal aircraft of General Fyodor Polynin, Commander of the Polish Air Force)
- Portugal
- Esquadrilha Airacobra (Airacobra Squadron), later renamed Esquadrilha 4 (Squadron No. 4) — Aeronáutica Militar (Army Military Aviation)
- Soviet Union
- Soviet Air Forces (Voyenno-Vozdushnye Sily or VVS)
- Soviet Naval Aviation
- United Kingdom
- Royal Air Force
- Royal Navy (Airacobra Mk 1 – test flight)
- United States
- United States Army Air Corps / United States Army Air Forces
Read more about this topic: Bell P-39 Airacobra