Abdul-Nasir Oluwatosin “Tosin” Adarabioyo, born 24 September 1997 is an English professional footballer who plays as a defender for West Bromwich Albion on loan from Manchester City.
Adarabioyo joined the youth system at Manchester City aged five. He made his U18 debut for the club aged 14 and was captaining the U18s aged 16. On 21 February 2016, Adarabioyo made his first-team debut in an FA Cup match against Chelsea. He made his Champions League debut on 24 August 2016 as a substitute in a 1–0 win over Steaua București, in a Champions League play-off round match.
Adarabioyo joined West Bromwich Albion on loan for the 2018–19 season.
Adarabioyo has represented England up to U19 level.Adarabioyo was born in England and is of Nigerian descent. Tosin is the brother of Fisayo Adarabioyo, who is a free agent after being released by NAC Breda.