Fudbalski klub Borac Kozarska Dubica (Serbian Cyrillic: Фудбалски клуб Борац Козарска Дубица) is a Bosnian football club from the city of Kozarska Dubica, Republika Srpska.

Football club Borac was established in July 1936 at the initiative of leather workers of Dubica, Vrbas Banovina, Kingdom of Yugoslavia.

The founders were Ahmet Ćelam, Vujo Momčilović and Razim Hadžić, workers from Dubica.

Although he was in a weak financial position and performed in the lower ranks of the competition, the Borac was too popular among fellow citizens.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.