| Competition: | Algerian Championnat National |
| Season: | 1997–98 |
| Winners: | USM El Harrach |
| League Topscorer: | Hamid Merakchi (7 goals) |
| Biggest Home Win: | CR Belouizdad 5 - 0 MO Constantine WA Tlemcen 5 - 0 CR Belouizdad |
| Biggest Away Win: | ES Sétif 1 - 3 USM Alger MO Constantine 0 - 2 CA Batna CR Belouizdad 0 - 2 USM El Harrach |
| Highest Scoring: | MC Oran 5 - 2 CA Batna MC Oran 5 - 2 US Chaouia |
| Matches: | 112 |
| Total Goals: | 222 |
| Prevseason: | 1996–97 |
| Nextseason: | 1998–99 |
The 1997–98 Algerian Championnat National was the 36th season of the Algerian Championnat National since its establishment in 1962. A total of 16 teams contested the league, with CS Constantine as the defending champions, The Championnat started on January 1, 1997. and ended on June 29, 1998.
Teams promoted from Algerian Division 2 1997-1998
Teams relegated to Algerian Division 2 1998-1999