The 1988–89 Algerian Championnat National was the 27th season of the Algerian Championnat National since its establishment in 1962. A total of 16 teams contested the league, with Mouloudia d'Oran as the defending champions, The Championnat started on September 22, 1988. and ended on June 1, 1989.
Teams promoted from Algerian Division 2 1988–1989
Teams relegated to Algerian Division 2 1989–1990