Keiji Mutoh, (December 23, 1962), also called the Great Muta, is a Japanese professional wrestler who gained international fame in the National Wrestling Alliance. He was an amateur wrestler and competed in numerous Judo competitions. He began his pro-wrestling career in Japan for New Japan Pro Wrestling and has competed in America, Puerto Rico, and Taiwan. He currently works for All Japan Pro Wrestling and he is the current President of the company. As The Great Muta, Mutoh is known as one of the first Japanese wrestlers to also achieve a fan base outside of his native Japan in the United States. Famed for playing mind games and spitting various Asian Mist on different opponents which he inherited off his (kayfabe) father The Great Kabuki.

He is a multiple-time IWGP World Heavyweight and Tag Team Champion as well as former NWA Television and WCW Tag Champion, among numerous other titles and reigns. He was inducted into the Wrestling Observer Hall of Fame in 1999.