The 2012–13 Algerian Ligue Professionnelle 1 was the 51st season of the Algerian Ligue Professionnelle 1 since its establishment in 1962.
A total of 16 teams contested the league, with ES Sétif as the defending champions.
The league began on September 8, 2012.
[1] Teams promoted from 2011–12 Algerian Ligue Professionnelle 2[2] Teams relegated to 2012-13 Algerian Ligue Professionnelle 2[3] Note: Flags indicate national team as has been defined under FIFA eligibility rules.
Players may hold more than one non-FIFA nationality.