The 2012 Liga Indonesia Second Division season (Indonesian: Divisi Dua Liga Indonesia 2012) is the seventeenth edition of Liga Indonesia Second Division. The competition is organized by the Indonesia Amateur Football League Board (BLAI) 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 tablesTop two placed teams advance to the 2nd RoundBottom placed teams relegated to the Second Division
Group Winner and runner-up qualify for 2nd round.