43 Squadron or 43rd Squadron may refer to:
No. 43 Squadron RAAF, a unit of the Royal Australian Air Force No. 43 Squadron RAF, a unit of the United Kingdom Royal Air Force 43d Fighter Squadron, a unit of the United States Air Force 43d Flying Training Squadron, a unit of the United States Air Force 43d Aeromedical Evacuation Squadron, a unit of the United States Air Force
See also 43rd Division (disambiguation) 43rd Group (disambiguation) 43rd Brigade (disambiguation) 43rd Regiment (disambiguation) 43rd Battalion (disambiguation)