1979–80 Algerian Championnat National

The 1979–80 Algerian Championnat National was the 18th season of the Algerian Championnat National since its establishment in 1962. A total of 14 teams contested the league, with MP Alger as the defending champions, The Championnat started on october 5, 1979. and ended on June 13, 1980.

Promotion and relegation
Teams promoted from Algerian Division 2 1979-1980
 * ESM Bel-Abbès
 * WKF Collo

Teams relegated to Algerian Division 2 1980-1981
 * USK Alger
 * IR Saha