484th may refer to:
484th Aero Construction Squadron, part of the 53d Wing at Eglin Air Force Base, Florida 484th Air Expeditionary Wing, provisional United States Air Force unit assigned to the United States Air Force Air Combat Command 484th Bombardment Squadron, inactive United States Air Force unit 484th Fighter-Interceptor Squadron, inactive United States Air Force unit
See also 484 (number) 484, the year 484 (CDLXXXIV) of the Julian calendar 484 BC