457th

457th may refer to:

• 457th Air Expeditionary Group, provisional United States Air Force unit assigned to the Air Combat Command
• 457th Airlift Squadron (457 AS), part of the 375th Airlift Wing at Andrews Air Force Base, Maryland
• 457th Fighter Squadron, United States Air Force Reserve Command (AFRC) unit, assigned to the 301st Operations Group

See also

• 457 (number)
• 457 (disambiguation)
• 457, the year 457 (CDLVII) of the Julian calendar
• 457 BC