BSK stands for Banjalučki sportski klub meaning "Sports Society of Banja Luka".
History
Since the formation of the Bosnia and Herzegovina leagues, the club has spent most seasons in the second and third tiers of the football pyramid. From 2003 through 2006 they were named BSK Crni Đorđe and from 2006 through 2008 they were named BSK Nektar.[1]