Jack McKay (born 19 November 1996) is a Scottish professional footballer who plays as a winger for Doncaster City.

[5] McKay made his professional debut in a 1–0 league defeat to South Yorkshire rivals Sheffield United in November 2014, coming on as a substitute in the 87th minute.

[8][9][10] On 11 January 2016, Jack and his brother Paul both joined Championship side Leeds United for undisclosed fees on two-and-a-half-year contracts.

[11] After impressing with the Leeds United Development squad, on 21 April 2016, McKay was named as part of the 'travelling squad' for Leeds first team for their match against Wolverhampton Wanderers however he failed to make a place on the substitutes bench, with Steve Evans saying McKay would have been on the bench had Stuart Dallas failed to recover from injury.

[17] On 2 January 2021, McKay joined National League North side Blyth Spartans on a one-month loan deal.