The 2018–19 season was Frosinone Calcio's second-ever season in Serie A.

The club were promoted as champions of Serie B at the end of the 2017–18 season, after spending two seasons in the second division following their maiden Serie A campaign in 2015–16.

Frosinone competed in Serie A and the Coppa Italia.

Source: Competitive matches Last updated: 10 April 2019Source: Competitions

Last updated: 20 January 2019