2018 Indian Super League playoffs
| Tournament details | |
|---|---|
| Country | India |
| Teams | 4 |
| Final positions | |
| Champions | Chennaiyin |
| Runners-up | Bengaluru |
| Semifinalists | |
| Tournament statistics | |
| Matches played | 5 |
| Goals scored | 14 (2.8 per match) |
| Top goal scorer(s) | Sunil Chhetri (4 goals) |
The 2018 Indian Super League playoffs was fourth playoffs series in the Indian Super League, one of the top Indian professional football leagues. The playoffs began on 7 March 2018 and concluded with the final on 17 March 2018 in Bangalore.
The top four teams from the 2017–18 ISL regular season had qualified for the playoffs. The semi-finals took place over two legs while the final was a one-off match at the Sree Kanteerava Stadium. Chennaiyin won the final after defeating Bengaluru 3–2. This would be the second time that Chennaiyin won the title.
The defending champions from last season, ATK, failed to qualify for the playoffs this season and thus were not able to defend their title.