Košarkaški klub Bratunac (Serbian Cyrillic: Кошаркашки клуб Братунац, transl.

Bratunac Basketball Club), commonly referred to as KK Bratunac, is a men's professional basketball club based in Bratunac, Republika Srpska, Bosnia and Herzegovina.

They are currently competing in the Bosnia and Herzegovina Championship.

[1] The club won the First League of Republika Srpska in the 2017–18 season and got promoted to Bosnia and Herzegovina Championship for the 2018–19 season.

[2] The club has had several denominations through the years due to its sponsorship: Bratunac plays its home games at the Bratunac Sports Hall.