1984–85 Algerian Championnat National

The 1984–85 Algerian Championnat National was the 23rd season of the Algerian Championnat National since its establishment in 1962. A total of 20 teams contested the league, with GCR Mascara as the defending champions, The Championnat started on September 31, 1984 and ended on May 26, 1985.

Promotion and relegation
Teams promoted from Algerian Division 2 1984-1985
 * IRB Relizane
 * ISM Aïn Béïda
 * JH Djazaïr

Teams relegated to Algerian Division 2 1985-1986
 * MP Alger
 * RS Kouba
 * JCM Tiaret