| Competition: | Algerian Ligue Professionnelle 2 |
| Season: | 2011-12 |
| Winners: | CA Bordj Bou Arréridj |
| Promoted: | CA Bordj Bou Arréridj JS Saoura USM Bel-Abbès |
| Relegated: | US Biskra RC Kouba Paradou AC |
| Biggest Home Win: | (23 September 2011) US Biskra 6-1 SA Mohammadia (10 March 2012) |
| Biggest Away Win: | (4 November 2011) |
| Highest Scoring: | (14 October 2011) |
| Matches: | 240 |
| Total Goals: | 531 |
| Longest Wins: | 9 games CA Bordj Bou Arréridj |
| Longest Unbeaten: | 12 games CA Bordj Bou Arréridj |
| Longest Losses: | 7 games US Biskra |
| Highest Attendance: | N/A |
| Lowest Attendance: | N/A |
| Average Attendance: | N/A |
| Prevseason: | 2010–11 |
| Nextseason: | 2012–13 |
The 2011–12 Algerian Ligue Professionnelle 2 is the second season of the league under its current title and current league division format. This is the forty-eighth season of second-division football since its establishment in 1962. A total of 16 teams are to contest in the league. The league started on 9 September 2010 and is scheduled to conclude on 17 May 2012.
Promoted to Ligue 1
Relegated to Ligue Nationale
Relegated from Ligue 1
Promoted from Ligue Nationale
| Team | Location | Stadium | Stadium capacity | |
|---|---|---|---|---|
| AB Mérouana | Merouana | Stade Abderrahmene Bensaci | 5,000 | |
| ASM Oran | Oran | Habib Bouakeul Stadium | 20,000 | |
| Bordj Bou Arreridj | Stade 20 Août 1955 | 18,000 | ||
| ES Mostaganem | Mostaganem | Stade Bensaïd Mohamed | 15,000 | |
| JS Saoura | Béchar | Stade 20 Août 1955 (Béchar) | 8,000 | |
| MO Béjaïa | Béjaïa | Stade de l'Unité Maghrébine | 25,000 | |
| MO Constantine | Constantine | Stade Chahid Hamlaoui | 50,000 | |
| MSP Batna | Batna | Stade 1er Novembre | 20,000 | |
| Olympique de Médéa | Médéa | Stade Imam Lyes de Médéa | 12,000 | |
| Paradou AC | Algiers | Omar Hammadi Stadium | 15,000 | |
| RC Kouba | Algiers | Stade Omar Benhaddad | 10,000 | |
| SA Mohammadia | Mohammadia | Stade Mohamed Ouali | 10,000 | |
| US Biskra | Biskra | Complexe Sportif d'El Alia | 15,000 | |
| USM Annaba | Annaba | Stade 19 Mai 1956 | 56,000 | |
| USM Bel-Abbès | Sidi Bel Abbès | Stade 24 Février | 45,000 | |
| USM Blida | Blida | Stade Mustapha Tchaker | 35,000 |