Demetrius Hopkins (born October 10, 1980 in Philadelphia, Pennsylvania, U.S.) is an American boxer who fought in the light welterweight division.

Hopkins won the USBA light-welterweight championship when he beat Mario Jose Ramos by a unanimous decision.

Hopkins beat The Contender TV reality show star Steve Forbes on March 17, 2007, in a unanimous decision.

Hopkins fought twice more in 2007, beating Jailer Berrio with a first round knockout in July and Enrigay Colin by a unanimous decision.

[1] Hopkins fought in a December 23, 2012 against WBO junior welterweight champion Danny "El Parches" Hernandez and lost by split decision.