2017–18 Tunisian Ligue Professionnelle 1
The 2017–18 Tunisian Ligue Professionnelle 1 season was the 92nd season of top-tier football in Tunisia. The season calendar was drawn on July 24. The competition started on August 15.
Teams
A total of 14 teams contested the league, including 11 sides from the 2016–17 season and three promoted from the 2016–17 Ligue 2. US Monastir and Stade Tunisien obtained promotion after winning their punultimate game of the season, while CO Médenine won the promotion playoff against AS Marsa. The three teams replaced the five teams that were relegated to 2017–18 Tunisian Ligue 2 in order to reduce the number of teams from 16 to 14.Stadiums and locations
| Team | Location | Stadium | Capacity | 2016–17 season |
| AS Gabès | Gabès | Stade Municipal de Gabès | 10,000 | 8th in Ligue 1 |
| Club Africain | Tunis | Stade Olympique de Radès | 60,000 | 3rd in Ligue 1 |
| CA Bizertin | Bizerte | Stade 15 Octobre | 20,000 | 9th in Ligue 1 |
| CO Médenine | Médenine | Ligue 2 | ||
| CS Sfaxien | Sfax | Stade Taïeb Mhiri | 22,000 | 4th in Ligue 1 |
| Espérance de Tunis | Tunis | Stade Olympique de Radès | 60,000 | Ligue 1 Champions |
| ES Zarzis | Zarzis | Stade Jlidi | 7,000 | 11th in Ligue 1 |
| ES Métlaoui | Métlaoui | Stade Municipal de Métlaoui | 5,000 | 5th in Ligue 1 |
| Étoile du Sahel | Sousse | Stade Olympique de Sousse | 25,000 | 2nd in Ligue 1 |
| JS Kairouan | Kairouan | Stade Ali Zouaoui | 15,000 | 10th in Ligue 1 |
| Stade Gabèsien | Gabès | Stade Municipal de Gabès | 10,000 | 7th in Ligue 1 |
| Stade Tunisien | Le Bardo | Stade Chedli Zouiten | 20,000 | Ligue 2 |
| US Ben Guerdane | Ben Guerdane | Stade du 7 Mars | 10,000 | 6th in Ligue 1 |
| US Monastir | Monastir | Stade Mustapha Ben Jannet | 20,000 | Ligue 2 |
Results
League table
Result table
Leaders
ImageSize = width:820 height:80
PlotArea = left:40 right:0 bottom:40 top:0
Period = from:1 till:26.9
ScaleMajor = unit:year increment:1 start:1
TimeAxis = orientation:horizontal
PlotData=
bar:Leaders width:16 mark: align:left fontsize:S
from:1 till:2 shift: text:"EST" color:yellow
from:2 till:3 shift: text:"ESS" color:red
from:3 till:26.9 shift: text:"EST" color:yellow
Top goalscorers
Updated to games played on 10 May 2018.Relegation playoff
This game was played between the 12th of Ligue 1 and the 3rd of Ligue 2.Match stopped after 62 minutes because EGS Gafsa players left the pitch as a protest against the referee who was "clearly against them" and declared that they "couldn't play a football match in such conditions".