111th Regiment or 111th Infantry Regiment may refer to:

• 111th Regiment of Foot (Loyal Birmingham Volunteers), a unit of the British Army
• 111th Regiment of Foot (1761), a unit of the British Army
• 111th Infantry Regiment (United States), a unit of the United States Army
• 111th Armored Cavalry Regiment, a unit of the United States Army National Guard
• 111th Cavalry Regiment, a unit of the United States Army National Guard

• 111th Division (disambiguation)
• 111 Squadron (disambiguation)

Topics referred to by the same term

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