Nobuaki Kakuda (角田信朗 Kakuda Nobuaki), born April 11, 1961 in Sakai, Osaka, is a Japanese Seidokaikan - Karate fighter, who is famous for his first punch knockout win over German 4-time cage combat World Champion Mavrick at 0:56 seconds in the K-1 Fields Europe GP 2005. He is also one of the K-1 organization's regents. He is currently the oldest and shortest (174 cm) partcipant in the K-1 tournaments. He also works as a referee-in-charge and as a ringside judge in these events.