1998–99 Tunisian Ligue Professionnelle 1
| Season | 1998–99 |
|---|---|
| Champions | Espérance de Tunis |
| Relegated | Olympique du Kef CS Hammam-Lif CO Médenine ES Beni-Khalled |
| Champions League | Espérance de Tunis |
| Cup Winners' Cup | Club Africain |
| CAF Cup | CA Bizertin Étoile du Sahel |
| Matches played | 224 |
| Goals scored | 512 (2.29 per match) |
| Top goalscorer | Santos (14 goals) |
| Biggest home win | OB 6–0 CO Médenine |
| Biggest away win | CO Médenine 1–7 CAB |
| Highest scoring | CO Médenine 1–7 CAB |
← 1997–98 | |
The 1998–99 Tunisian Ligue Professionnelle 1 season was the 73rd season of top-tier football in Tunisia.