2015–16 Saudi First Division was the 39th season of the Saudi First Division since its establishment in 1976.
The season featured 11 teams from the 2014–15 campaign, two new teams relegated from the 2014–15 Professional League: Al-Shoulla and Al-Orobah, and three new teams promoted from the 2014–15 Saudi Second Division: Damac as champions and group B winners, Al-Nojoom as runners-up and group A winners and Ohod as Third-place play-off winners. The league began on 21 August 2015 and concluded on 23 April 2016.
On 23 April 2016, Al-Mojzel won the league title and promoted to 2016–17 Professional League along with Al-Ettifaq, while Al-Batin qualified to the promotion play-offs. Al-Nahda, Al-Riyadh and Al-Diriyah were relegated to the 2016–17 Saudi Second Division.
On 21 July 2016, the SAFF announced the relegation of Al-Mojzel to Saudi Second Division due to match fixing. Few days later, on 3 August 2016, They announced that Al-Ettifaq are the champions and the promotion of Al-Batin to the 2016–17 Professional League instead of Al-Mojzel, and revoked the relegation of Al-Nahda.