Keiji Mutō (born born December 23, 1962) is a Japanese professional wrestling executive, actor and retired professional wrestler. He is best known for his work as The Great Muta in World Championship Wrestling (WCW) and New Japan Pro-Wrestling (NJPW) during the 1980s and 1990s, and his runs in other Japanese, American, Puerto Rican, and Mexican promotions. He was the president of All Japan Pro-Wrestling (AJPW) from 2002 to 2013 and representative director of WRESTLE-1 (W-1) from 2013 to 2020, before retiring from the industry in 2023 as a part of Pro Wrestling NOAH.