323 Squadron may refer to:
No. 323 Expeditionary Combat Support Squadron RAAF, Royal Australian Air Force 323 Squadron RNLAF, a unit of the Royal Netherlands Air Force, based at Eglin Air Force Base 323d Aero Squadron, an aero squadron in the Air Service, United States Army 323d Fighter-Interceptor Squadron, United States Air Force 323d Strategic Reconnaissance Squadron, United States Air Force VMFA-323, United States Marine Corps