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
- PSAB Aceh Besar
- Persibabar Bangka Barat
- Persebsi Sibolga
- Persika Karawang
- Persikad Depok
- Persibat Batang
- Penggung Raya
- Persada Kragilan
- Timas Kebontimun
- Sparta Cepogo
- Persesa Salakan
- Persekaba Blora
- Persiko Kotabaru
- Persista Sintang
- Persikos Sorong
- Persikota Tidore
- Persitoli Tolikara
Promoted clubs from Third Division
- Persibolmut North Bolaang Mongondow
- PS Dafi Mulia
- Bintang Jaya Asahan
- PS TGM Medan
- Persekabpur Purworejo
- Maung Bandung
- Martapura
- Persekat Katingan
- Perseden Denpasar
- PSK Kupang
- Persipuja Puncak Jaya
- Nusaina
- 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 |
| Bottom placed teams relegated to the Second Division |
Group Winner and runner-up qualify for 2nd round.