389th

389th may refer to:


 * 389th Bombardment Squadron, inactive United States Air Force unit
 * 389th Fighter Squadron (389 FS) is part of the 366th Fighter Wing at Mountain Home Air Force Base, Idaho
 * 389th Infantry Division (Wehrmacht), German division of the Wehrmacht in the Second World War; fought in the Battle of Stalingrad
 * 389th Strategic Missile Wing, inactive unit of the United States Air Force