2015 Cambodian League is the 31st season of the Cambodian League. Contested by 12 clubs, it operates on a system of promotion and relegation with Cambodia Division 1 League. With 12 teams playing 22 games each totaling 132 games in the season. With the newcomer Abilrex Niigata from Japan. However, Albirex has announced that they won't participate in 2015 Cambodian League due to financial crisis and replaced by CMAC United. Boeung Ket Angkor who finished top of the regular season also qualified for the Mekong Club Championship.