Dennis Amos Marshall Maxwell (9 August 1985 – 23 June 2011) was a Costa Rica international footballer who played as a left back.

Dennis Marshall Herron (born 18 December 1959) is a Costa Rican footballer. He competed in the men's tournament at the 1980 Summer Olympics.

Jason Marshall (born June 20, 1978) is a former professional tennis player from the United States.