| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shtokavian | Indo-European languages | – | 13,000,000 | Yes | ||||||||||
| Vlax Romani language | 6b Threatened | Indo-European languages | Cyrillic script | rmy | 485,000 | Yes | ||||||||
| Bosnian language | 1 National | Indo-European languages | Glagolitic script | bs | bos | bos | 2,200,000 | Yes | ||||||
| Croatian language | 1 National | Slavic languages | Gaj's Latin alphabet | hr | hrv | hrv | 5 | Yes | ||||||
| Serbian language | 1 National | Indo-European languages | Serbian Cyrillic alphabet | sr | srp | srp | 12,000,000 | Yes |