Willie Williams (April 14, 1951 – June 8, 2019) was an American karateka, mixed martial artist and professional wrestler.

[1] In 1975, Willie Williams participated in Mas Oyama's 1st World Full-Contact Karate Open Championships tournament as part of the U.S. team coached by Tadashi Nakamura and Shigeru Oyama.

That year, around 160 fighters from all over the world entered this open weight class tournament.

[2] In 1980, Williams fought Japan's top pro-wrestling star Antonio Inoki for the World Martial Arts Heavyweight Championship in Tokyo.

[citation needed] Williams debuted in March 1992 in the combat sport promotion Fighting Network RINGS in Japan.