| Competition: | Algerian Championnat National |
| Season: | 1989–90 |
| Winners: | JS Kabylie |
| Relegated: | RC Relizane USM Alger |
| League Topscorer: | Mohamed Benabou (12 goals) |
| Biggest Home Win: | RC Relizane 6 - 0 AS Aïn M'lila |
| Highest Scoring: | MC Oran 6 - 2 USM Alger |
| Matches: | 240 |
| Total Goals: | 453 |
| Prevseason: | 1988–89 |
| Nextseason: | 1990–91 |
The 1989–90 Algerian Championnat National was the 28th season of the Algerian Championnat National since its establishment in 1962. A total of 16 teams contested the league, with JS Kabylie as the defending champions, The Championnat started on August 31, 1989. and ended on June 14, 1990.
Teams promoted from Algerian Division 2 1989-1990
Teams relegated to Algerian Division 2 1990-1991