28th Regiment

• 11th/28th Battalion, Royal Western Australia Regiment
• 28 Engineer Regiment (United Kingdom)
• 28th (Essex) Searchlight Regiment, Royal Artillery
• 28th (North Gloucestershire) Regiment of Foot
• 28th Arkansas Infantry Regiment
• 28th Cavalry Regiment
• 28th Connecticut Infantry Regiment
• 28th Field Artillery Regiment
• 28th Guards Fighter Aviation Regiment
• 28th Illinois Volunteer Infantry Regiment
• 28th Indiana Infantry Regiment (Colored)
• 28th Infantry Regiment (United States)
• 28th Iowa Volunteer Infantry Regiment
• 28th Marine Regiment (United States)
• 28th Punjabis
• 28th Regiment Kentucky Volunteer Infantry
• 28th Regiment Massachusetts Volunteer Infantry
• 28th Tennessee Infantry Regiment
• 28th Wisconsin Volunteer Infantry Regiment
• The 28th Regiment at Quatre Bras