494th may refer to:
494th Bombardment Squadron, inactive United States Air Force unit 494th Bombardment Wing, inactive United States Air Force unit 494th Fighter Squadron (494 FS), part of the 48th Fighter Wing at RAF Lakenheath, England
See also 494 (number) 494 (disambiguation) 494, the year 494 (CDXCIV) of the Julian calendar 494 BC