Kevin Mac Allister (born 7 November 1997) is an Argentine professional footballer who plays as a centre-back or full-back for Belgian Pro League club Union SG.
The club was relegated in that campaign, Mac Allister subsequently made sixteen appearances in Primera B Nacional as Argentinos won the title.
[2][4] On 12 July 2023, Belgian club Union SG announced the signing of Mac Allister on a three-year contract, with an option of a further year.
[5] On 5 October, he shared the pitch with his brother Alexis after the latter came on as a substitute in a Europa League group stage match against Liverpool.
[6] Mac Allister received a call-up to the Argentina U20 squad for the 2017 South American Youth Football Championship in Ecuador.