2018 Liga 1 (Indonesia)

The 2018 Liga 1, also known as Go-Jek Liga 1 for sponsorship reasons, was the second season of Liga 1 under its current name and the ninth season of the top-flight Indonesian professional league for association football clubs since its establishment in 2008. The season started on 23 March 2018 and ended on 9 December 2018. Fixtures for the 2018 season were announced on 10 March 2018. Bhayangkara were the defending champions. Persebaya, PSMS, and PSIS joined as the promoted teams from the 2017 Liga 2. They replaced Persegres, Persiba, and Semen Padang who were relegated to the 2018 Liga 2.

2018 Liga 1 (Indonesia)

The 2018 Liga 1, also known as Go-Jek Liga 1 for sponsorship reasons, was the second season of Liga 1 under its current name and the ninth season of the top-flight Indonesian professional league for association football clubs since its establishment in 2008. The season started on 23 March 2018 and ended on 9 December 2018. Fixtures for the 2018 season were announced on 10 March 2018. Bhayangkara were the defending champions. Persebaya, PSMS, and PSIS joined as the promoted teams from the 2017 Liga 2. They replaced Persegres, Persiba, and Semen Padang who were relegated to the 2018 Liga 2.