The season began on 14 July 2017 and ended on 2 June 2018, being the third to take place since the play-off/play-out format has been introduced.
CFR Cluj became the new champions in the last fixture of the play-off, clinching their fourth league title after finishing one point above FCSB.
[2] Juventus București and Sepsi OSK entered as the promoted teams from the 2016–17 Liga II, but only the latter managed to avoid relegation.
Midfielders: Mihai Bordeianu (6 / 0); Valentin Costache (13 / 0); Emmanuel Culio (33 / 8); Ciprian Deac (34 / 5); Damjan Đoković (23 / 3); Ovidiu Hoban (34 / 3); Alexandru Ioniță (9 / 1); Sebastian Mailat (13 / 1); Thierry Moutinho (8 / 0); Dan Nistor (17 / 0); Bryan Nouvier (15 / 1); Adrian Păun (19 / 2); Laurențiu Rus (10 / 0).
Forwards: Ibrahima Baldé (13 / 4); Jeremy Bokila (5 / 0); Marius Coman (4 / 0); Billel Omrani (30 / 8); George Țucudean (14 / 4); Urko Vera (15 / 5).
(league appearances and goals listed in brackets) Manager: Dan Petrescu.