1970–71 Algerian Championnat National

The 1970–71 Algerian Championnat National was the ninth season of the Algerian Championnat National since its establishment in 1962. A total of 16 teams contested the league, with CR Belcourt as the defending champions, The Championnat started on September 20, 1970. and ended on April 25, 1971.

Promotion and relegation
Teams promoted from Algerian Division 2 1970-1971
 * MO Constantine
 * ASM Oran
 * Hamra Annaba
 * WA Tlemcen

Teams relegated to Algerian Division 2 1971-1972
 * No relegated