2012–13 Algerian Ligue Professionnelle 2

The 2012–13 Algerian Ligue Professionnelle 2 was the forty-ninth edition of the Algerian second division since its establishment, and its third season of the league under its current title. A total of 16 teams contested the league. The league started September 14, 2012, and concluded on May 3, 2013. CRB Aïn Fakroun were crowned champions and promoted to the 2013–14 Algerian Ligue Professionnelle 1 along with RC Arbaâ and MO Béjaïa. At the bottom of the table, MO Constantine, SA Mohammadia and CR Témouchent were relegated.

From Ligue Professionnelle 2
Promoted to Ligue 1
 * CA Bordj Bou Arréridj
 * USM Bel-Abbès
 * JS Saoura

Relegated to Ligue Nationale
 * US Biskra
 * RC Kouba
 * Paradou AC

To Ligue Professionnelle 2
Relegated from Ligue 1
 * AS Khroub
 * MC Saïda
 * NA Hussein Dey

Promoted from Ligue Nationale
 * CRB Aïn Fakroun
 * CR Témouchent
 * RC Arbaâ