Dewey Cooper (born November 10, 1974) is an American kickboxer and boxer who competes in the cruiserweight and heavyweight divisions.
After becoming a two-time world champion in 2000 by taking the WKC heavyweight and WKF cruiserweight titles, he would go on to become a regular competitor in the K-1 promotion's US events.
He came close to winning the K-1 Grand Prix Tournament when he defeated Nobu Hayashi and Samoan power puncher Mighty Mo, but lost out to Michael McDonald in the final of the K-1 World Grand Prix 2004 in Las Vegas I all in the same night