The 2015–16 Saudi Professional League was the 40th season of the Saudi Pro League, the top Saudi professional league for association football clubs, since its establishment in 1976. The season began on 19 August 2015 and ended on 14 May 2016. Al-Nassr were the two time defending champions, having won their eighth title the season before. The league was contested by the 12 teams from the 2014–15 season as well as Al-Qadsiah and Al-Wehda, who joined as the promoted clubs from the 2014–15 First Division. They replace Al-Orobah and Al-Shoulla who were relegated to the 2015–16 First Division.