| Competition: | Tunisian Ligue Professionnelle 1 |
| Season: | 2003–04 |
| Winners: | Espérance de Tunis |
| Relegated: | CO Transports |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Espérance de Tunis Étoile du Sahel |
| Continentalcup2: | Confederation Cup |
| Continentalcup2 Qualifiers: | AS Marsa |
| League Topscorer: | Haykel Guemamdia (10 goals) |
| Biggest Home Win: | ESS 5–0 USM |
| Biggest Away Win: | COT 0–4 CA COT 0–4 USM |
| Highest Scoring: | CSS 3–3 CAB OB 3–3 CSS |
| Matches: | 132 |
| Total Goals: | 285 |
| Prevseason: | 2002–03 |
| Nextseason: | 2004–05 |
The 2003–04 Tunisian Ligue Professionnelle 1 season was the 78th season of top-tier football in Tunisia.