22nd Regiment

• 22 Engineer Regiment (United Kingdom)
• 22nd Continental Regiment
• 22nd Dragoons
• 22nd Engineer Regiment (Australia)
• 22nd Illinois Volunteer Infantry Regiment
• 22nd Infantry Regiment (North Korea)
• 22nd Infantry Regiment (United States)
• 22nd Iowa Volunteer Infantry Regiment
• 22nd Marine Regiment (United States)
• 22nd Michigan Volunteer Infantry Regiment
• 22nd New York Volunteer Infantry Regiment
• 22nd Pennsylvania Cavalry Regiment
• 22nd Punjab regiment
• 22nd Regiment Alabama Infantry
• 22nd Regiment Indiana Infantry
• 22nd Regiment Kansas Militia Infantry
• 22nd Regiment Kentucky Volunteer Infantry
• 22nd Regiment Massachusetts Volunteer Infantry
• 22nd Regiment of Foot
• 22nd Virginia Cavalry
• 22nd Virginia Infantry Regiment
• 22nd Wisconsin Volunteer Infantry Regiment
• Lapland Ranger Regiment
• Royal 22nd Regiment
• Special Air Service
• Värmland Regiment