| Competition: | Algerian Championnat National |
| Season: | 1980–81 |
| Winners: | RS Kouba |
| Relegated: | CN Batna ESM Guelma |
| League Topscorer: | Noreddine Meghichi (16 goals) |
| Biggest Home Win: | JE Tizi-Ouzou 9 – 0 WKF Collo |
| Biggest Away Win: | MP Alger 1 – 4 DNC Alger |
| Highest Scoring: | JE Tizi-Ouzou 9 – 0 WKF Collo CM Belcourt 5 – 4 DNC Alger |
| Matches: | 196 |
| Total Goals: | 549 |
| Prevseason: | 1979–80 |
| Nextseason: | 1981–82 |
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.
Teams promoted from Algerian Division 2 1980–1981
Teams relegated to Algerian Division 2 1981–1982
| Rank | Scorer | Club | Goals | |
|---|---|---|---|---|
| 1 | Noureddine Meghichi | RS Kouba | 16 | |
| 2 | Salah Assad | RS Kouba | 15 | |
| 3 | Nasser Bouiche | MP Alger | 14 |