Sean Alvarez (born July 14, 1971) is an American retired mixed martial artist. He competed in the Heavyweight division. He lost his last fight at UFC 42 - Sudden Impact against Wesley Correira on April 25, 2003. Alvarez has won gold medals at the Brazilian Jiu-Jitsu World Championships and the Pan American Championships as well three-silver medals at the ADCC Submission Wrestling World Championship.