2005–06 Algerian Championnat National

The 2005–06 Algerian Championnat National was the 44th season of the Algerian Championnat National since its establishment in 1962. A total of 16 teams contested the league, with USM Alger as the defending champions.

Promotion and relegation
Teams promoted from Algerian Division 2 2005-2006
 * OMR El Annasser
 * JSM Bejaïa
 * ASM Oran

Teams relegated to Algerian Division 2 2006-2007


 * CS Constantine
 * USM Annaba
 * US Biskra