The 5-11, 207-pound Sumter (S.C.) Crestwood standout visited UNC for the Freak Show last month.
After the Chapel Hill visit, he cited his five finalists as Georgia, UNC, Notre Dame, South Carolina, and Wisconsin.
He is ranked the No. 37 running back in the nation by Scout.com.
As a junior, Williams rushed for 1,608 yards and 16 touchdowns on 181 carries
Ty'Son Williams Profile
UNC received a commitment from four-star running back Ty'son Williams on Tuesday, he confirmed to InsideCarolina.com.
Ty'Son Williams committed on Tuesday.