Mateo Mužek (born 29 April 1995) is a Croatian professional football player who plays as a left back for Široki Brijeg in Premier League of Bosnia and Herzegovina.

[2] On 26 January 2019, Mužek signed for Scottish Premiership side St. Mirren on deal until the end of the season.

[3][4] Muzek left Saints at the end of his contract and signed for Sheriff Tiraspol.

Muzek signed a two-year contract with Greek side AE Larisa on a free transfer on 17 January 2020.

[7][better source needed] His father Damir played professionally in Austria.