| Competition: | Tunisian Ligue Professionnelle 1 |
| Season: | 2018–19 |
| Dates: | 18 August 2018 – 15 June 2019 |
| Winners: | Espérance de Tunis (29th title) |
| Relegated: | Stade Gabèsien Avenir de Gabès |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Espérance de Tunis Étoile du Sahel |
| Continentalcup2: | Confederation Cup |
| Continentalcup2 Qualifiers: | Club Sfaxien Union de Ben Guerdane |
| League Topscorer: | Taha Yassine Khenissi Firas Chaouat (10 goals each) |
| Biggest Home Win: | USM 4–0 UST EST 4–0 JSK |
| Biggest Away Win: | CA 1–4 ST |
| Highest Scoring: | ESS 5–3 USM |
| Longest Wins: | 6 games (CSS, EST) |
| Longest Unbeaten: | 19 games (EST) |
| Longest Winless: | 11 games (USM) |
| Longest Losses: | 7 games (CAB) |
| Matches: | 182 |
| Total Goals: | 377 |
| Prevseason: | 2017–18 |
| Nextseason: | 2019–20 |
The 2018–19 Tunisian Ligue Professionnelle 1 (Tunisian Professional League) season was the 93rd season of top-tier football in Tunisia.
The defending champions from the previous season are Espérance de Tunis. The competition began on 18 August.[1]
A total of 14 teams contested the league.
| Team | Location | Stadium | Capacity | 2017–18 season | |
|---|---|---|---|---|---|
| Avenir de Gabès | Gabès | Stade Municipal de Gabès | 10,000 | 10th in Ligue 1 | |
| Club Africain | Tunis | Stade Olympique de Radès | 60,000[2] | 2nd in Ligue 1 | |
| Club Bizertin | Bizerte | Stade 15 Octobre | 20,000 | 5th in Ligue 1 | |
| Club de Hammam-Lif | Tunis | Stade Bou Kornine | 8,000 | Ligue 2 | |
| Club Sfaxien | Sfax | Stade Taïeb Mhiri | 22,000 | 4th in Ligue 1 | |
| Étoile de Métlaoui | Métlaoui | Stade Municipal de Métlaoui | 5,000 | 7th in Ligue 1 | |
| Étoile du Sahel | Sousse | Stade Olympique de Sousse | 25,000 | 3rd in Ligue 1 | |
| Espérance de Tunis | Tunis | Stade Olympique de Radès | 60,000 | Ligue 1 Champions | |
| Jeunesse Kairouanaise | Kairouan | Stade Ali Zouaoui | 15,000 | 8th in Ligue 1 | |
| Stade Gabèsien | Gabès | Stade Municipal de Gabès | 10,000 | 11th in Ligue 1 | |
| Stade Tunisien | Tunis | Stade Chedly Zouiten | 20,000 | 9th in Ligue 1 | |
| Union de Ben Guerdane | Ben Guerdane | 10,000 | 12th in Ligue 1 | ||
| Union Monastirienne | Monastir | Stade Mustapha Ben Jannet | 20,000 | 6th in Ligue 1 | |
| Union de Tataouine | Tataouine | Stade Nejib Khattab | 5,000 | Ligue 2 |
| Goalscorer | Club | Goals | ||
|---|---|---|---|---|
| 1 |  Taha Yassine Khenissi | Espérance de Tunis | 10 | |
| Firas Chaouat | Club Sfaxien | |||
| 3 | Yassine Chamakhi | Club Africain | 9 | |
| Ismaël Diakité | Union de Tataouine | |||
| 5 | Rafik Kabou | Union Monastirienne | 7 |