28th Regiment may refer to:
Infantry regiments 11th/28th Battalion, Royal Western Australia Regiment, a unit of the Australian Army 28th (North Gloucestershire) Regiment of Foot, a unit of the British Army 28th Punjabis, a unit of the British Army 28th Regiment "Pavia", a unit of the Italian Army 28th Infantry Regiment (United States), a unit of the United States Army 28th Marine Regiment (United States), a unit of the United States Marine Corps 28th Indiana Infantry Regiment (Colored), a unit of the United States Army 28th Arkansas Infantry Regiment, a unit of the United States Army 28th Tennessee Infantry Regiment, a unit of the United States Army 28th Connecticut Infantry Regiment, a unit of the United States Army 28th Regiment Massachusetts Volunteer Infantry, a unit of the United States Army 28th Regiment Kentucky Volunteer Infantry, a unit of the United States Army 28th Illinois Volunteer Infantry Regiment, a unit of the United States Army 28th Iowa Volunteer Infantry Regiment, a unit of the United States Army 28th Wisconsin Volunteer Infantry Regiment, a unit of the United States Army
Cavalry regiments 28th Cavalry Regiment, a unit of the United States Army
Engineering regiments 28 Engineer Regiment (United Kingdom), a unit of the British Army's Royal Engineers
Artillery regiments 28th (Essex) Searchlight Regiment, Royal Artillery, a unit of the British Army's Royal Artillery 28th Field Artillery Regiment, a unit of the United States Army
Aviation regiments 28th Guards Fighter Aviation Regiment, a unit of the Russian Air Force
See also The 28th Regiment at Quatre Bras, an 1875 painting by Elizabeth Thompson