William O. A. Hayward (born 26 October 1998) is a professional Australian rules footballer playing for the Sydney Swans in the Australian Football League (AFL). He was drafted by Sydney with their second selection and twenty-first overall, a priority draft pick, in the 2016 national draft. He made his debut against the Western Bulldogs in the twenty-three point loss against the Western Bulldogs at Etihad Stadium in round 2, 2017.
Hayward received the AFL Rising Star nomination for round 23 after kicking three goals in the Swans' 81-point win over Carlton at the Sydney Cricket Ground.