The 2017–18 season was Cagliari Calcio's second season back in Serie A after being relegated at the end of the 2014–15 season.

The club competed in Serie A, finishing 16th, and in the Coppa Italia, where they were eliminated in the fourth round.

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: Competitive matches Last updated: 20 May 2018Source: Competitions