League of Una-Sana Canton

League of Una-Sana Canton (Kantonalna Liga NS USK-A) is a fourth level league in the Bosnia and Herzegovina football league system. The league champion is promoted to the Second League of the Federation of Bosnia and Herzegovina - West.

Member clubs
List of clubs competing in 2020–21 season:


 * NK Bajer 99
 * NK Borac Izačić
 * NK Bratstvo Bosanska Krupa
 * NK Ključ
 * NK Mladost Vrnograč
 * NK Omladinac 75
 * NK Omladinac Sanica
 * NK Željezničar Bosanska Krupa