In addition to the domestic league, Lens participated in this season's editions of the Coupe de France and the Coupe de la Ligue.

The season was scheduled to cover the period from 1 July 2018 to 30 June 2019.

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

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

Players may hold more than one non-FIFA nationality.