21 Squadron or 21st Squadron may refer to:
- No. 21 Squadron RAAF, Royal Australian Air Force
- No. 21 Squadron (Finland), Finnish Air Force
- 21 Squadron SAAF, South African Air Force
- No. 21 Squadron RAF, United Kingdom Royal Air Force
- 21st Aeromedical Evacuation Squadron, United States Air Force
- 21st Airlift Squadron, United States Air Force
- 21st Bombardment Squadron, United States Air Force
- 21st Fighter Squadron, United States Air Force
- 21st Operational Weather Squadron, United States Air Force
- 21st Photographic Reconnaissance Squadron, United States Air Force
- 21st Pursuit Squadron, United States Army Air Force
- 21st Space Operations Squadron, United States Air Force
- 21st Special Operations Squadron, United States Air Force
- 21st Tactical Air Support Squadron, United States Air Force
See also
Topics referred to by the same termThis disambiguation page lists articles about military units and formations which are associated with the same title. If an internal link referred you to this page, you may wish to change the link to point directly to the intended article.
Category: