RFA Fort Rosalie (A186) was an armament stores carrier of the Royal Fleet Auxiliary. She was built by United Shipyards, Montreal and initially completed as a stores ship but converted to an armament stores issuing ship at Portsmouth 1947/8. She served in the Pacific Fleet Train and remained in the Far East until 1951. She took part in Operation Grapple, the thermonuclear weapon test at Christmas Island in 1957. The ship was fitted with cargo lifts 1959/60. She was decommissioned on 1 May 1972 and laid up at Rosyth. She arrived at Castellon for scrapping on 10 February 1973.