16th Regiment

• 16th Air Defence Regiment, Royal Australian Artillery
• 16th Alpini Regiment
• 16th Army (disambiguation)
• 16th Brigade (disambiguation)
• 16th Division (disambiguation)
• 16th Group (disambiguation)
• 16th Illinois Volunteer Infantry Regiment
• 16th Infantry Regiment (South Korea)
• 16th Infantry Regiment (United States)
• 16th Maine Volunteer Infantry Regiment
• 16th Massachusetts Regiment
• 16th Michigan Volunteer Infantry Regiment
• 16th Punjab Regiment (Pakistan)
• 16th Regiment Illinois Volunteer Cavalry
• 16th Regiment Royal Artillery
• 16th Squadron (disambiguation)
• 16th The Queen's Lancers
• 16th West Virginia Volunteer Infantry Regiment
• 16th Wing (disambiguation)
• 16th Wisconsin Volunteer Infantry Regiment
• Bedfordshire and Hertfordshire Regiment