Fort class replenishment ship may refer to three classes of replenishment ships:

Fort-class replenishment oiler (of the mid-1940s) Fort Rosalie (Fort I)-class replenishment ship, dating from the 1970s, of the British Royal Navy Fort Victoria (Fort II)-class replenishment ship, dating from the 1990s, of the British Royal Navy

See also Fort ship (disambiguation) Fort (disambiguation)