Abdurrahman "Rock" ibn Ramadan Ya-Sin (born May 23, 1996) is an American professional football cornerback for the San Francisco 49ers of the National Football League (NFL). He played college football at Presbyterian, before transferring to Temple. He was drafted by the Indianapolis Colts in the second round of the 2019 NFL draft.
On April 11, 2024, Ya-Sin signed a one-year deal with the San Francisco 49ers.