Marcus Ellis (born 14 September 1989) is a British badminton player. He was the men's doubles champion in the 2016 English National Badminton Championships. Ellis and Chris Langridge won a bronze medal in the men's doubles at the 2016 Summer Olympics in Rio de Janeiro, also gold medal at the 2018 Commonwealth Games in Gold Coast, Australia. At the 2019 Minsk European Games, Ellis captured two gold medals; in the men's doubles with Langridge and in the mixed doubles event with Lauren Smith.