12 Squadron, No. 12 Squadron or 12th Squadron may refer to:
- No. 12 Squadron RAAF, a unit of the Royal Australian Air Force
- No. 12 Squadron (Finland), a unit of the Finnish Air Force
- 12 Squadron SAAF, a unit of the South African Air Force
- No. 12 Squadron SLAF, a unit of the Sri Lankan Air Force
- No. 12 Squadron RAF, a unit of the United Kingdom Royal Air Force
- 12th Reconnaissance Squadron, a unit of the United States Air Force
- 12th Fighter Squadron, a unit of the United States Air Force
- 12th Missile Squadron, a unit of the United States Air Force
- 12th Airborne Command and Control Squadron, a unit of the United States Air Force
- Attack Squadron 12 (VA-12), a unit of the United States Navy
- VFC-12 (Fighter Squadron Composite 12), a unit of the United States Navy
- Marine Aviation Logistics Squadron 12, a unit of the United States Marine Corps
See also