52nd Regiment

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 Illinois Infantry Regiment
 * 52nd Indiana Infantry Regiment
 * 52nd Infantry Regiment (United States)
 * 52nd Lowland Volunteers
 * 52nd Ohio Infantry
 * 52nd Pennsylvania Infantry Regiment
 * 52nd Regiment Kentucky Volunteer Mounted Infantry
 * 52nd Tennessee Infantry Regiment