201st may refer to:
Military 201st Division (disambiguation) 201st Brigade (disambiguation) 201st Regiment (disambiguation) 201st Squadron (disambiguation) 201st Guards Military Base, Russia 201st Schutzmannschaft Battalion 201st Battalion (Toronto Light Infantry), CEF 201st (Infantry) Battalion, Training Reserve 201st (Cornwall) Medium Battery, Royal Garrison Artillery 201st Heavy Battery, Royal Garrison Artillery 201st (Hertfordshire and Bedfordshire Yeomanry) Parachute Battery, Royal Artillery 201st (East Lancashire) Field Battery, Royal Artillery 201st (East Lancashire) Field Company, Royal Engineers 201st Combat Communications Group, United States 201st Corps (Afghanistan) 201st Regional Support Group, United States
Other uses 201st New York State Legislature Pennsylvania's 201st Representative District Ukraine's 201st electoral district 201st Street (Manhattan)
See also 201, the year 201 (CC) of the Julian calendar 201 BC 201 (number) 201 (disambiguation)