23d Marine Regiment (United States)
23rd Flying Training Squadron
23rd Fighter Squadron
923d Expeditionary Air Refueling Flight
23rd Intelligence Squadron
23rd Chemical Battalion
23rd Aeromedical Evacuation Squadron
23rd Field Artillery Regiment (United States)
23rd Reconnaissance Squadron (disambiguation)
Santana 23
1st Battalion, 23d Marines
1st Proving Ground Group
2nd Battalion, 23d Marines
23rd Special Operations Weather Squadron
Kepler-23
Twenty-Third Air Force
3d Battalion, 23d Marines
413th Flight Test Squadron
23rd Wing
23rd Infantry Regiment (United States)
Americal Division
23rd Bomb Squadron
23rd Air Division (United States)
23rd Fighter Group
23rd Special Tactics Squadron
23rd Space Operations Squadron
23rd Division
23rd Brigade
23rd Division (Imperial Japanese Army)
23 Squadron
Twenty-First Air Force
List of county roads in Baker County, Florida
List of Nebraska Connecting Link, Spur, and Recreation Highways