Renzo Gracie (; born March 11, 1967) is a Brazilian mixed martial artist and Brazilian Jiu-Jitsu practitioner. A member of the Gracie family of Brazil, Renzo is a 6th Degree Black Belt in Brazilian Jiu-Jitsu under Carlos Gracie Jr.. He is the son of Robson Gracie, grandson of Carlos Gracie, nephew of Carlos Gracie, Jr. grandnephew of Helio Gracie, and the 1st cousin once removed of Royce Gracie. In mixed martial arts, Renzo has competed in the Ultimate Fighting Championship, Pride Fighting Championships, K-1, RINGS, and International Fight League (head-coaching the New York Pitbulls). He holds notable victories over five former UFC Champions: Frank Shamrock (UFC Light Heavyweight Champion), Carlos Newton (UFC Welterweight Champion), Pat Miletich (UFC Welterweight Champion), Maurice Smith (UFC Heavyweight Champion), and Oleg Taktarov (UFC 6 Tournament Winner)