The 2017–18 Ligue 1 season was RC Strasbourg Alsace's first season in the top flight of French football since their relegation in the 2007–08 season.

The club finished 15th, escaping relegation on the final day.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.

Source: [citation needed]