Antonio Williams (born October 22, 1997) is an American professional football running back who is a free agent.

He spent two seasons with the Buckeyes and rushed for 290 yards and three touchdowns as a sophomore while serving as the team's third running back behind J. K. Dobbins and Mike Weber.

[3] He started seven games in his first season with the Tar Heels and finished as the team's second-leading rusher with 504 yards and five touchdowns.

[8] Williams was waived during final roster cuts and was signed to the team's practice squad on September 6 before again being released.

[23] A NASCAR fan since his youth, Williams is an advisor to NASCAR Xfinity Series driver Joe Graf Jr.; the two befriended each other through a mutual acquaintance, and Williams joined Graf's SS-Green Light Racing team prior to the 2021 racing season.