'' HMS Sultan (1775) '', a 74-gun third rate ship of the line of the Royal Navy, launched in 1775 at Harwich, converted for use as a prison ship in 1797, and broken up in 1816.
'' HMS Sultan (1870) '', a broadside ironclad of the Royal Navy of the Victorian era.
The latest ''Sultan'' is a Stone Frigate and home to the Defence College of Electro-Mechanical Engineering .
