401 Squadron or 401st Squadron may refer to:
- 401 Tactical Fighter Squadron, Canada
- 401 Squadron (Portugal)
- 401st Tactical Airlift Squadron (JASDF), Japan
- 401st Aero Squadron, Air Service, United States Army, see list of American aero squadrons
- 401st Bombardment Squadron, United States Air Force
- 401st Fighter Squadron, United States Air Force
- VMFT-401, United States Marine Corps
Topics referred to by the same termThis disambiguation page lists articles about military units and formations which are associated with the same title. If an internal link referred you to this page, you may wish to change the link to point directly to the intended article.
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