UFC 41: Onslaught

UFC 41: Onslaught was a mixed martial arts event held by the Ultimate Fighting Championship on February 28, 2003, at the Boardwalk Hall in Atlantic City, New Jersey.

The event was broadcast live on pay-per-view in the United States, and later released on DVD.

UFC 41 featured two championship bouts, a Heavyweight Championship Bout between Ricco Rodriguez and Tim Sylvia, and a Lightweight Championship Bout between BJ Penn and Caol Uno. The event also marked the return of Tank Abbott to the UFC.