507th may refer to:
507th Air Refueling Wing, a wing of the United States Air Force based out of Tinker Air Force Base, Oklahoma 507th Bombardment Squadron, an inactive United States Air Force unit 507th Infantry Regiment (United States), an airborne forces regiment of the US Army 507th Maintenance Company, a unit of the US Army which provided maintenance support to 5th Battalion, 52nd Air Defense Artillery at Fort Bliss, Texas
See also 507 (number) 507, the year 507 (DVII) of the Julian calendar 507 BC