497th
# 497th

497th may refer to:

* 497th Air Refueling Wing, inactive United States Air Force unit
* 497th Bombardment Group, inactive United States Air Force unit
* 497th Bombardment Squadron, inactive United States Air Force unit
* 497th Combat Training Squadron, United States Air Force unit
* 497th Intelligence, Surveillance and Reconnaissance Group (497 ISRG) is an intelligence unit at Joint Base Langley–Eustis, Virginia
