355 squadron or variation, may refer to:
No. 355 Squadron RAF 355th Fighter Squadron, an inactive United States Air Force unit 355th Tactical Airlift Squadron, a U.S. Air Force squadron based at Rickenbacker Air National Guard Base 355th Troop Carrier Squadron, an inactive United States Air Force unit 355th Reconnaissance Aviation Squadron, a Cold War era unit of the Yugoslav Air Force
See also 355 (disambiguation)