MS Marella Dream is a cruise ship owned by TUI UK Ltd. and operated under charter by Thomson Cruises. She was built in 1986 at the Meyer Werft shipyard in Papenburg, West Germany as MS Homeric for Home Lines. In 1988 she was sold to Holland America Line and renamed MS Westerdam. In 1990 she was lengthened by 36.9 m (121 ft 1 in) at Meyer Werft. In 2002 she was transferred to the fleet of Costa Cruises and renamed MS Costa Europa. In April 2010 she left the fleet of Costa Cruises on a ten-year charter to Thomson Cruises, she is the last new build for Home Lines to remain in active service.
Following the announcement on the 9th October 2017, that Thomson Cruises would be renamed Marella Cruises, TUI Groupalso announced that Thomson Dream would adopt the name Marella Dream at the end of October 2017.