Matúš Kozáčik (Slovak pronunciation: [ˈmatuːʂ ˈkɔzaːtʂik]; born 27 December 1983) is a Slovak retired football goalkeeper who last played for Czech club Viktoria Plzeň, and who now serves as a goalkeeping coach with the club's first team.

[5] On 10 December 2006, Kozáčik debuted for Slovakia as a starter friendly match against the United Arab Emirates.

[6] However, his next match for the national team came almost seven years later when he started in a 2014 FIFA World Cup qualification against Latvia.

[7] Kozáčik played 90 minutes of a controversial friendly match against Denmark, who arrived with a squad of players from lower division and Slovakia Futsal,[8] During the 2019 friendly match against Jordan that ended with a 5-1 victory, Kozáčik was replaced by international debutant Dominik Greif in the second half.

[9] In September 2022, Kozáčík took on the role of goalkeeping coach with the Slovakia national football team under Francesco Calzona.