Lewis Cass (born 27 February 2000) is an English professional footballer who plays as a defender for EFL League One club Port Vale. Cass was with Newcastle United from 2012 to 2022. He spent the 2020–21 season on loan at Hartlepool United, who won promotion out of the National League via the play-offs. He spent the first half of the 2021–22 season on loan at Port Vale, before joining the club permanently in July 2022.