| 2018 Liga 3 finals | |
| Event: | 2018 Liga 3 |
| Team1: | Persik |
| Team1score: | 3 |
| Team2: | PSCS |
| Team2score: | 2 |
| Details: | on aggregate |
| Firstleg: | First leg |
| Team1score1: | 3 |
| Team2score1: | 1 |
| Stadium1: | Brawijaya Stadium |
| City1: | Kediri |
| Referee1: | Yudi Nurcahya |
| Secondleg: | Second leg |
| Team1score2: | 0 |
| Team2score2: | 1 |
| Stadium2: | Wijayakusuma Stadium |
| City2: | Cilacap |
| Referee2: | Thoriq Alkatiri |
| Previous: | 2017 |
| Next: | 2019 |
The 2018 Liga 3 finals was the two-legged final that decided the winner of the 2018 Liga 3, the fourth season of third-tier competition in Indonesia organised by PSSI, and the second season since it was renamed from the Liga Nusantara to the Liga 3.
The finals was contested in two-legged home-and-away format between Persik and PSCS. The first leg was hosted by Persik at Brawijaya Stadium in Kediri on 27 December 2018, while the second leg was hosted by PSCS at Wijayakusuma Stadium in Cilacap on 30 December 2018.[1]
Persik defeated PSCS 3–2 on aggregate to win their first Liga 3 title.
Note: In all scores below, the score of the related team is given first.
| Persik | Round | PSCS | ||
|---|---|---|---|---|
| Group G winners | First round | Group B winners | ||
| Opponent | Score | Second round | Opponent | Score |
| Persinga | 2–1 | AS Abadi | 4–0 | |
| East Group winners | Third round | West Group winners | ||
The finals was played on a home-and-away two-legged basis. If tied on aggregate, the away goals rule would be used. If still tied on away goals rule, 30 minutes of extra time would be played. If still tied after extra time, the penalty shoot-out would be used to determine the winner.