Keitaro Nakamura (中村 K太郎 Nakamura Keitarō, born May 22, 1984) is a Japanese professional mixed martial artist and grappler currently competing in the Welterweight division of the Ultimate Fighting Championship. A professional competitor since 2003, he has formerly competed for World Victory Road, Pancrase, Shooto, DREAM, Vale Tudo Japan, and DEEP. He is the former Sengoku Welterweight Champion and Shooto Pacific Rim Middleweight Champion. He is the winner of the World Victory Road Welterweight Grand Prix Tournament and took part in both the 2009 and 2011 ADCC Submission Wrestling World Championship, making it to the second round and winning via points in both.