52nd Regiment may refer to:
52nd (London) Heavy Anti-Aircraft Regiment, Royal Artillery 52nd Air Defense Artillery Regiment 52nd Armoured Regiment (India) 52nd Artillery Regiment "Torino" 52nd Aviation Regiment (United States) 52nd Heavy Bomber Aviation Regiment, Russia 52nd Illinois Infantry Regiment 52nd Indiana Infantry Regiment 52nd Infantry Regiment (United States) 52nd Infantry Regiment (Philippines) 52nd Infantry Regiment (Russian Empire) 52nd Infantry Regiment "Alpi" 52nd Lowland Volunteers 52nd Ohio Infantry 52nd Pennsylvania Infantry Regiment 52nd Regiment Kentucky Volunteer Mounted Infantry 52nd Tennessee Infantry Regiment
See also 52nd Division (disambiguation)