Rukometni klub Borac Banja Luka (Serbian Cyrillic: Рукометни клуб Бopaц Бања Лука) is a handball club from Banja Luka, Republika Srpska, Bosnia and Herzegovina.

The handball club Borac became its member and since then was competing in the league until the disintegration of SFR Yugoslavia in 1992.

Borac was the champion of SFR Yugoslavia seven times between 1959 and 1981.

In addition, RK Borac Banja Luka had won the Cup of Republika Srpska twelve times between 1993 and 2013.

The following players were crowned the European Champions in 1976: Milorad Karalić, Zdravko Rađenović, Nedeljko Vujinović, Abas Arslanagić, Dobrivoje Selec, Momir Golić, Nebojša Popović, Miro Bjelić, Zoran Ravlić, Boro Golić, Rade Unčanin, Slobodan Vukša, Mile Kekerović, Zlatko Jančić.