Austin Williams (born May 3, 1996) is an American professional boxer. He challenged for the WBC middleweight title in 2026.
Born in Milwaukee Williams revealed he had a wonderful childhood and participated in sports. Many of his friends used sports as a lifestyle. Traveled back and forth to Chicago where he continued basketball. he suddenly moved to Texas and started boxing at 19.
Williams started boxing at the age of 19 and had 47 amateur bouts. Williams was a two-time USA Boxing Western Regional Champion, a two-time Houston Golden Gloves Champion and named Gulf Association's Most Outstanding Boxer in 2017.
Notable wins of Williams early career were against Kieron Conway and River Wilson-Bent.
Williams claimed the second belt of his pro career against Canadian Steve Rolls. He won on points to claim the IBF North American belt.
Williams suffered the first loss of his career against WBC Silver middleweight champion Hamzah Sheeraz as part of the Matchroom vs Queensberry card in Saudi Arabia. Despite Ammo having a lot of success he was outboxed by Sheeraz and dropped and stopped in the 10th round.
Williams was scheduled to face Etinosa Oliha in an eliminator for IBF middleweight title in Frisco, TX, on July 19, 2025. Oliha withdrew after an eye issue was identified during his pre-fight medical. Williams defeated replacement opponent, Ivan Vazquez, by stoppage in the ninth round.
Williams was due to challenge WBC middleweight title holder Carlos Adames at Madison Square Garden on January 31, 2026, but the fight was cancelled when the champion fell ill the day before the fight. Instead Williams faced replacement opponent, Wendy Toussaint, winning by unanimous decision.
Williams finally got his chance at a world title when he fought WBC middleweight champion Carlos Adames at Caribe Royale in Orlando, Florida, on March 21, 2026, but he lost via unanimous decision.