384th

384th may refer to:


 * 384th Air Expeditionary Group, provisional United States Air Force unit assigned to the Air Combat Command
 * 384th Air Expeditionary Wing, inactive unit of the United States Air Force
 * 384th Air Refueling Squadron (384 ARS) is part of the 22d Air Refueling Wing at McConnell Air Force Base, Kansas
 * 384th Bombardment Squadron or 134th Fighter Squadron, unit of the Vermont Air National Guard 158th Fighter Wing located at Burlington Air National Guard Base, Vermont
 * 384th Fighter Squadron, inactive United States Air Force unit
 * 384th Infantry Division (Wehrmacht) formed during the winter of 1941/42, as part of the 18th wave