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 XII Corps (disambiguation) 12th Division (disambiguation) 12th Brigade (disambiguation) 12th Battalion (disambiguation)