Edward Maurice Charles Marsan is an English actor. He won the London Film Critics Circle Award and the National Society of Film Critics Award for Best Supporting Actor for the film Happy-Go-Lucky (2008).

Happy-Go-Lucky is a 2008 British comedy-drama film written and directed by Mike Leigh. The screenplay focuses on a cheerful and optimistic primary school teacher and her relationships with those around her. The film was well received by critics and resulted in a number of awards for Mike Leigh's direction and screenplay, lead actress Sally Hawkins's performance, and Eddie Marsan's performance in a supporting role.