501 Squadron or 501st Squadron may refer to:
*
No. 501 Squadron RAF
("Fear nothing")
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, battle_honours = France & Low Countries, 1940 Battle of Britain, 1940 Home Defen ...
, United Kingdom
*
501 Squadron (Portugal)
* 501 Squadron,
Air Force Mobile Deployment Wing SAAF, South Africa
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501st Tactical Reconnaissance Squadron (JASDF)
The 501st Tactical Reconnaissance Squadron () was a squadron of the Japan Air Self-Defense Force based at Hyakuri Air Base (Ibaraki Airport) in Ibaraki Prefecture, Japan. It was equipped with RF-4 Phantom II and Kawasaki T-4 aircraft. Thompson, Pa ...
, Japan
* 501st Aero Squadron, Air Service, United States Army, see
list of American aero squadrons
*
501st Bombardment Squadron
The 501st Bombardment Squadron is an inactive United States Air Force unit. It was last assigned to the 345th Bombardment Wing at Langley Air Force Base, Virginia, where it was inactivated on 25 June 1959.
The squadron was first activated in 1 ...
, United States Air Force
*
VMFAT-501, United States Marine Corps
{{military unit disambiguation