Marvin Essor (born 27 August 1981) is a retired Jamaican sprinter who specialised in the 400 metres.
He won the gold medal at the 2005 Summer Universiade.
His personal best is 45.49 in 2005.
Essor was also a representative for Jamaica at the 2008 Summer Olympic in Beijing, on the 4x400m team.
A successful NCAA college athlete, Essor was a 7-time All-American and 4-Time National Champion while attending Abilene Christian University in Abilene, Texas.
He was the 2005 NCAA Division II Indoor and Outdoor 400m Champion.