2012 Liga Indonesia Second Division (BLAI)
The 2012 Liga Indonesia Second Division season is the seventeenth edition of Liga Indonesia Second Division. The competition is organized by the Indonesia Amateur Football League Board of the PSSI breakaway leadership under La Nyalla Matalatti.
Participants
Relegated clubs from First Division">Liga Indonesia First Division">First Division
- PSAB Aceh Besar
- Persibabar Bangka Barat
- Persebsi Sibolga
- Persika Karawang
- Persikad Depok
- Persibat Batang
- Penggung Raya FC
- Persada Kragilan
- Timas FC kebontimun
- Sparta Cepogo FC
- Persesa Salakan
- Persekaba Blora
- Persiko Kota Baru
- Persista Sintang
- Persikos Kota Sorong
- Persikota Tikep
- Persitoli Tolikara
Promoted clubs from Third Division">Liga Indonesia Third Division">Third Division
- Persibolmut
- PS Dafi Mulia
- Bintang Jaya Asahan
- Thamrin Graha Metropolitan
- Persikapur Purworejo
- Maung Bandung FC
- Martapura FC
- Persekat Katingan
- Perseden Denpasar
- PSK Kupang
- Persipuja Puncak Jaya
- Nusaina FC
- Villa 2000
- PS Batam
- Gresik Putra
- MBU Sidoarjo
First stage
| Key to colours in group tables |
| Top two placed teams advance to the 2nd Round |
| Buttom placed teams Relegeted to the Second Division |
Group Winner and runner-up qualify for 2nd round.