2017–18 Liga I

The 2017–18 Liga I is the 100th season of Liga I, the top-level football league of Romania. The season will begin in July 2017 and will end in June 2018. Viitorul Constanța are the defending champions. This is the third season to take place since the playoff/playout rule has been introduced. The official fixture schedule will be released in July 2017.

Teams
The last two teams from the 2016–17 season, Pandurii Târgu Jiu and Târgu Mureș, relegated to 2017–18 Liga II. The first two teams from 2016–17 Liga II, Juventus București and Sepsi Sfântu Gheorghe promoted to Liga I. A promotion/relegation play-off will be played between 12th place from Liga I and UTA Arad 3rd place from Liga II.

Personnel and kits
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players and Managers may hold more than one non-FIFA nationality.

Regular season
In the regular season the 14 teams will meet twice, a total of 26 matches per team, with the top 6 advancing to the Championship round and the bottom 8 qualifying for Relegation round.

Championship round
The top six teams from Regular season will meet twice (10 matches per team) for places in 2018–19 UEFA Champions League and 2018–19 UEFA Europa League as well as deciding the league champion. Teams start the Championship round with their points from the Regular season halved, rounded upwards, and no other records carried over from the Regular season.

Relegation round
The bottom eight teams from regular season will meet twice (14 matches per team) to contest against relegation. Teams start the Relegation round with their points from the Regular season halved, rounded upwards, and no other records carried over from the Regular season. The winner of the Relegation round finishes 7th in the overall season standings, the second placed team - 8th, and so on, with the last placed team in the Relegation round being 14th.