The 2019 Liga 3 Riau is the third edition of Liga 3 (formerly known as Liga Nusantara) Riau as a qualifying round for the national round of 2019 Liga 3. AS Abadi, winner of the 2018 Liga 3 Riau are the defending champions. The competition began on 3 August 2019.
In this competition, 12 teams are divided into 3 groups of four. The winner will represent Riau in the national round of 2019 Liga 3.
There are 12 clubs which will participate the league in this season.
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The final round was held in 1âÂÂ10 Oktober 2019.
(Aggregate 3-3, Tornado FC Pekanbaru won 4 - 3 on penalties)