507th

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) (507th PIR), a regiment of the 82nd Airborne Division and, later, 17th Airborne Division 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