2nd Regiment
2nd Regiment may refer to:
{{TOC right}}
Active units
=British Army=
=United States=
=Australian Army=
- 2nd Cavalry Regiment (Australia) - armoured reconnaissance unit
- 2nd/14th Light Horse Regiment - armoured reconnaissance unit
- 2nd/10th Medium Regiment, Royal Australian Artillery
=French Army=
- 2nd Foreign Engineer Regiment - French Foreign Legion Combat engineering unit
- 2nd Foreign Parachute Regiment - French Foreign Legion airborne commando unit
- 2nd Marine Infantry Parachute Regiment - airborne unit
- 2nd Foreign Infantry Regiment - French Foreign Legion unit
=Belgian Army=
- 2nd/4th Regiment Mounted Rifles - armoured reconnaissance unit
- 2nd/4th Lancers Regiment - tank unit
- 2nd Field Artillery Regiment/Field Artillery Battery ParaCommando
=Italian Army=
=Canadian Army=
=Portuguese Army=
- 2nd Lancers Regiment - Portuguese army military police unit
Former units
- 2nd Infantry Regiment (Lithuania) - Lithuanian interwar infantry regiment
- 2nd Infantry Regiment (South Korea) - Korean War unit
- 2nd Guards Field Artillery - Imperial German Army World War I unit
- 2/6th Cavalry Commando Regiment (Australia) - World War II unit
- 2nd Regiment of Light Cavalry Lancers of the Imperial Guard (the "Red Lancers" - a Napoleonic French unit, originally raised as the Guard Hussars of the Kingdom of Holland
= Polish Army =
- 2nd Armoured Regiment (Poland) - Polish army World War II unit
- 2nd Legions' Infantry Regiment
= British Army =
- 2nd East Anglian Regiment - Short lived British army unit
- 64th (2nd Staffordshire) Regiment of Foot - British army
- 2nd Tangier Regiment - British Army
- 65th (2nd Yorkshire, North Riding) Regiment of Foot - British army
= British Indian Army =
- 2nd Punjab Regiment - British Indian army unit
- 2nd Queen Victoria's Own Rajput Light Infantry - British Indian army
= Yugoslavia =
- 2nd Yugoslav Assault Regiment - Yugoslav Air Force World War II unit
- 2nd Training Aviation Regiment - Yugoslav Air Force post-World War II unit
= Greek Army =
- 2nd Serres Regiment, Greek army
- 2/21 Cretan Regiment, Greek army
- 2/39 Evzone Regiment, Greek army
=American Civil War units=
==Union Army==
- 2nd United States Infantry Regiment (Civil War)
- 2nd United States Volunteer Sharpshooter Regiment
- 2nd Alabama Volunteer Infantry Regiment (African Descent)
- 2nd Regiment Illinois Volunteer Cavalry
- 2nd Regiment Indiana Cavalry
- 2nd Iowa Regiment
- 2nd Regiment Iowa Volunteer Cavalry
- 2nd Regiment Kansas Volunteer Infantry (African Descent)
- 2nd Kentucky Infantry Regiment
- 2nd Maine Volunteer Infantry Regiment
- 2nd Maryland Infantry Regiment, several units
- 2nd Regiment of Cavalry, Massachusetts Volunteers
- 2nd Regiment Massachusetts Volunteer Heavy Artillery
- 2nd Regiment Massachusetts Volunteer Infantry
- 2nd Michigan Volunteer Cavalry Regiment
- 2nd Michigan Volunteer Infantry Regiment
- 2nd Minnesota Volunteer Cavalry Regiment
- 2nd Nebraska Cavalry
- 2nd New Hampshire Volunteer Regiment
- 2nd New York Volunteer Infantry Regiment
- 2nd Ohio Infantry
- 2nd Regiment South Carolina Volunteer Infantry (African Descent)
- 2nd West Virginia Veteran Volunteer Infantry Regiment
- 2nd West Virginia Volunteer Cavalry Regiment
- 2nd West Virginia Volunteer Infantry Regiment
- 2nd Wisconsin Volunteer Infantry Regiment
- 2nd Regiment Wisconsin Volunteer Cavalry
==Confederate Army==
=American Revolutionary War units=
- 2nd Canadian Regiment
- 2nd Connecticut Regiment
- 2nd Georgia Regiment
- 2nd Maryland Regiment
- 2nd Massachusetts Regiment
- 2nd New Hampshire Regiment
- 2nd New Jersey Regiment
- 2nd New York Regiment
- 2nd North Carolina Regiment
- 2nd Pennsylvania Regiment
- 2nd Rhode Island Regiment
- 2nd South Carolina Regiment
- 2nd Virginia Regiment
- 2nd Albany County Militia Regiment