458th

458th may refer to:


 * 458th Air Expeditionary Group, a provisional United States Air Force unit assigned to the United States Air Forces in Europe
 * 458th Airlift Squadron (458 AS), part of the 375th Airlift Wing at Scott Air Force Base, Illinois
 * 458th Tactical Fighter Squadron, an inactive United States Air Force unit
 * No. 458 Squadron RAAF, Royal Australian Air Force