12th Regiment

The 12th Regiment may refer to many military units.

• 12 Régiment blindé du Canada
• 12th Infantry Regiment (South Korea)
• 12th Regiment Royal Artillery
• 12th Infantry Regiment (Philippine Commonwealth)
• 12th Infantry Regiment (USAFIP-NL)
• 12th Infantry Regiment (United States)
• 12th Cavalry Regiment (United States)
• 12th Regiment Massachusetts Volunteer Infantry (American Civil War)
• 12th Armoured Regiment (Australia)
• 12th Armoured Regiment (India)
• 12th MNLA Regiment (Malayan National Liberation Army)