23 Squadron or 23rd Squadron may refer to:
Aviation squadrons No. 23 Squadron PAF, a unit of the Pakistan Air Force No. 23 Squadron RAAF, a unit of the Royal Australian Air Force 23rd Squadron (Iraq), a unit of the Iraqi Air Force No. 23 Squadron RAF, a unit of the United Kingdom Royal Air Force 23rd Fighter Squadron, a unit of the United States Air Force 23rd Bomb Squadron, a unit of the United States Air Force 23rd Aeromedical Evacuation Squadron, a unit of the United States Air Force 23rd Flying Training Squadron, a unit of the United States Air Force Marine Air Control Squadron 23, a unit of the United States Marine Corps
Naval squadrons Destroyer Squadron 23, a formation of the United States Navy