2nd Regiment

2nd Regiment may refer to:

Active units

British Army

• 2nd Royal Tank Regiment

United States

• 2nd Aviation Regiment (United States)
• 2nd Air Defense Artillery Regiment
• 2nd Cavalry Regiment (United States)
• 2nd Marine Regiment (United States)
• 2nd Infantry Regiment (United States)
• 2nd Field Artillery Regiment (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

• 2nd Alpini Regiment
• 2nd Alpine Signal Regiment
• 2nd Alpine Engineer Regiment
• 2nd Alpine Artillery Regiment

Canadian Army

• 2nd Field Regiment, Royal Canadian Artillery

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 Maine Volunteer Infantry Regiment
• 2nd Maryland Infantry
• 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

• 2nd Regiment Alabama Volunteer Cavalry (Confederate)
• 2nd Kentucky Infantry
• 2nd Infantry (2nd Palmetto Regiment)
• 2nd Virginia Infantry

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

Spanish–American War units

• 2nd Oregon Volunteer Infantry Regiment
• 2nd Virginia Volunteer Infantry (1898)

Others

• Nevers' 2nd Regiment Band