397th may refer to:
*
397th Bombardment Squadron
The 7th Reconnaissance Squadron is a squadron of the United States Air Force. It is assigned to the 69th Reconnaissance Group and is stationed at Naval Air Station Sigonella, Sicily, Italy.
The squadron was first established in the Panama Cana ...
, inactive United States Air Force unit
*
397th Bombardment Wing, inactive United States Air Force unit, last assigned to the 45th Air Division of Strategic Air Command
*
397th Engineer Battalion (United States), construction battalion of the United States Army based in Eau Claire, Wisconsin
*
397th Fighter Squadron, inactive United States Air Force unit
See also
*
397 (number)
*
397, the year 397 (CCCXCVII) of the Julian calendar
*
397 BC
*
*
{{mil-unit-dis