Bosnian, sometimes referred to as Bosniak language, is the standardized variety of the Serbo-Croatian pluricentric language mainly used by ethnic Bosniaks. Bosnian is one of three such varieties considered official languages of Bosnia and Herzegovina, along with Croatian and Serbian. It is also an officially recognized minority language in Croatia, Serbia, Montenegro, North Macedonia and Kosovo.

Serbo-Croatian – also called Serbo-Croat, Serbo-Croat-Bosnian (SCB), Bosnian-Croatian-Serbian (BCS), and Bosnian-Croatian-Montenegrin-Serbian (BCMS) – is a South Slavic language and the primary language of Serbia, Croatia, Bosnia and Herzegovina, and Montenegro. It is a pluricentric language with four mutually intelligible standard varieties, namely Serbian, Croatian, Bosnian, and Montenegrin.