Alen Mustafić (born 5 July 1999) is a Bosnian professional footballer who plays as a midfielder for Slovak Super Liga club Slovan Bratislava. Mustafić started his professional career at Sarajevo, who loaned him to Slovan Bratislava in 2020. Later that year, after signing permanently with Slovan Bratislava, he was sent on loan to Nitra.
