2009–10 Indonesia Super League U-21
| Season | 2009-10 |
|---|---|
| Champions | Persib U-21 |
| Matches played | 100 |
| Goals scored | 268 (2.68 per match) |
| Top goalscorer | Lukas Mandowen (12 goals) |
← 2008–09 2010–11 → | |
The 2009–10 Indonesia Super League U-21 season will be the second edition of Indonesia Super League U-21 (ISL U-21), a companion competition Indonesian super league that are intended for footballers under the age of twenty-one years.
Pelita Jaya U-21 is the defending champion in this season. Djarum, an Indonesian tobacco company will continue its participation as the competition's main sponsor.