London Midland and Scottish Railway (LMS) Jubilee Class No. 5699 (BR No. 45699) Galatea is a preserved British steam locomotive.
5699 was built at Crewe in April 1936 and named Galatea after HMS Galatea, which in turn was named after the Galatea of mythology. After nationalisation in 1948, she was renumbered 45699 by British Railways.
After being withdrawn in 1964, Galatea was rescued from Woodham Brothers scrapyard in Barry, South Wales, originally to provide a spare boiler for sister loco Leander, Both being rescued from Barry scrapyard by the late Brian Oliver. The locomotive is currently being rebuilt by the West Coast Railway Company.