Oisin Michael McEntee (born 5 January 2001) is an Irish professional footballer who plays as a defender for club Heart of Midlothian.
Born in New York City, McEntee grew up in County Monaghan, attending Patrician High School in Carrickmacross. His father was a Gaelic footballer; McEntee played at youth level for Shercock GAA before concentrating on association football.
McEntee spent his early career with Cootehill, Carrick Rovers, Belvedere and Malahide United. McEntee joined Newcastle United at the age of 16, captaining their under-18 team. He spent time on loan at Greenock Morton before signing for Walsall in May 2022. He underwent shoulder surgery in June 2022.
On 21 November 2023, Walsall announced McEntee had extended his contract to 2025.
McEntee left Walsall at the end of his contract on 30 June 2025, and signed for Scottish club Heart of Midlothian on 1 July 2025.
McEntee was an Irish youth international. He appeared at the 2018 UEFA European Under-17 Championship.
He made various appearances at underage level, including seven appearances for the Republic of Ireland under-21s.