Marcus James Titus (born May 20, 1986) is a deaf American swimmer who has made it as far as eighth place in the . Titus won a state championship at Flowing Wells High School and is a 12-time-All-American at Arizona, he was a major figure in the US’s team, and he was previously a coach for the 2013 Deaflympic team. He is also known for being a spokesperson for deaf and hard-hearing athletes in the swimming world. In his later career, Titus tried out for the 2012 Olympic Trials, coached the 2013 Deaflympic team, and is planning on returning to compete in the .