Keita Nakamura is a Japanese professional mixed martial artist and grappler. Nakamura is also a former UFC fighter, 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.