123rd Regiment

123rd Regiment may refer to:

• 123rd Regiment of Foot (disambiguation), British regiments
• 123rd Aviation Regiment, United States
• 123rd Field Artillery Regiment, United States
• 123rd Infantry Regiment (United States)
• 123rd Infantry Regiment "Chieti", Italy
• 123rd Light Anti-Aircraft Regiment, Royal Artillery
• 123rd Outram's Rifles, British Indian Army

American Civil War regiments

• 123rd Illinois Infantry Regiment
• 123rd Indiana Infantry Regiment
• 123rd New York Infantry Regiment
• 123rd Ohio Infantry Regiment
• 123rd Pennsylvania Infantry Regiment

See also

• 123rd Brigade (disambiguation)
• 123rd Division (disambiguation)
• 123rd (disambiguation)