Wave Ruler was a Wave-class oiler that was built in 1946 as Empire Evesham by Furness Shipbuilding Co Ltd, Haverton Hill-on-Tees, Co Durham, United Kingdom for the British Ministry of Transport. In 1947, she was transferred to the Admiralty and commissioned into the Royal Fleet Auxiliary (RFA) as Wave Ruler. She was in active service until 1970 when she was hulked in the Maldive Islands, serving RAF Gan until 1975. She was sold in 1976 and scrapped in Taiwan in 1977.