| Competition: | Tunisian Ligue Professionnelle 1 |
| Season: | 2009–10 |
| Winners: | Espérance de Tunis |
| Relegated: | AS Kasserine, US Monastir |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Espérance de Tunis Club Africain |
| Continentalcup2: | Confederation Cup |
| Continentalcup2 Qualifiers: | Etoile du Sahel Olympique Béja (cup winner) |
| League Topscorer: | Michael Eneramo (13 goals) |
| Biggest Home Win: | EST 7–0 ES Zarzis |
| Biggest Away Win: | ESHS 1–5 ESS |
| Highest Scoring: | EST 7–0 ES Zarzis CSS 6–1 ASK ESHS 3–4 JSK |
| Matches: | 182 |
| Total Goals: | 416 |
| Prevseason: | 2008–09 |
| Nextseason: | 2010–11 |
The 2009–10 Tunisian Ligue Professionnelle 1(Tunisian Professional League) season was the 84th season of top-tier football in Tunisia. The competition began on 27 July 2009, and concluded on 15 May 2010. The defending champions from the previous season are Espérance de Tunis.
| Clubs | Venue | Capacity | |
|---|---|---|---|
| Avenir Sportif de Kasserine | Kassernie stadium | Kasserine Stadium | 8.000 |
| Club Africain | El-Menzah stadium | 45.000 | |
| Bizerte Athletic F.C. | October 15th stadium | 20.000 | |
| CS Hammam-Lif | Bou Kornine stadium | 8.000 | |
| Club Sportif Sfaxien | Taïeb Mhiri's stadium | 22.000 | |
| El-Gawafel Sportives de Gafsa | Gafsa's 7 November stadium | 12.000 | |
| Espoir Sportif de Hammam-Sousse | BouAli Lahwar stadium | 6.500 | |
| Étoile Sportive du Sahel | Sousse's Olympic stadium | 30.000 | |
| Espérance Sportive de Tunis | Stade 7 November | 60.000 | |
| Stade Jlidi | 8.000 | ||
| JS Kairouan | Stade de Hamda Laouani | 15.000 | |
| Olympique de Béja | Boujemaa El-Kemiti stadium | 8.000 | |
| Stade Tunisien | Chedli Zouiten's stadium | 20.000 | |
| Union Sportive Monastir | Mustapha Ben Jannet stadium | 20.000 |