The 2018 Liga 3 Riau is a qualifying round for the national round of 2018 Liga 3. Nabil F.C., the winner of the 2017 Liga 3 Riau are the defending champions. The competition will begin on August 12, 2018.
In this competition, all teams will face each other in home and away match. The winner will represent Riau in next round.
There are 8 teams which will participate the league this season.