Paul James McMullan (born 25 February 1996) is a Scottish professional footballer who plays as a winger for League of Ireland Premier Division club Derry City.

McMullan started his career with Celtic and has also had loan spells at Greenock Morton, Stenhousemuir, St Mirren and Dunfermline Athletic.

[3] He made his senior debut the following day, playing the full 90 minutes of a 1–1 draw with Ayr United at Ochilview Park, scoring his team's goal.

[9] He made his debut 12 days later, playing the full 90 minutes of a 3–1 home win over Berwick Rangers in the first round of the Scottish Challenge Cup.

[15] On 4 July 2016, McMullan was loaned to newly promoted Championship team Dunfermline Athletic, as PJ Crossan made the move in the other direction on a permanent basis.

[17] On 7 January 2021, McMullan signed a pre-contract with United's crosstown rivals Dundee, which would see him begin a two-year deal at the end of the season.

[29] On 25 June 2023, McMullan signed with League of Ireland Premier Division club Derry City, and would start playing for the side on 1 July.