203rd
203rd Division
203rd Separate Spetsnaz Battalion
203rd Security Division
203rd Infantry Brigade
203rd Engineer Battalion (United States)
203rd Rifle Division
203rd Battalion (Winnipeg Rifles), CEF
203rd Air Refueling Squadron
203rd General Hospital
203rd Military Intelligence Battalion
203rd (2nd North Wales) Brigade
203 Mansoori Corps
203rd Coastal Division (Italy)
203rd Infantry Brigade (United Kingdom)
203rd Training Aviation Brigade (Ukraine)
Pennsylvania House of Representatives, District 203
203rd Tactical Fighter Squadron (JASDF)
203rd New York State Legislature
203rd Infrastructure Construction Engineer Division
56th (Cornwall) Heavy Anti-Aircraft Regiment, Royal Artillery
127th (Bristol) Heavy Battery, Royal Garrison Artillery
Pope Boniface IX
2020s
Westmorland and Cumberland Yeomanry
East Lancashire Royal Engineers
List of aviation companies of the United States Army
List of numbered streets in Manhattan