1980–81 Algerian Championnat National

The 1980–81 Algerian Championnat National was the 19th season of the Algerian Championnat National since its establishment in 1962. A total of 15 teams contested the league, with JE Tizi-Ouzou as the defending champions, The Championnat started on September 5, 1980. and ended on June 12, 1981.

Promotion and relegation
Teams promoted from Algerian Division 2 1980–1981
 * ISM Aïn Béïda
 * USK Alger
 * Chlef SO

Teams relegated to Algerian Division 2 1981–1982
 * CN Batna
 * ESM Guelma