Christian Sussi (born 7 March 2001) is an Italian footballer who plays as a midfielder for club Pianese.
In June 2019, Sussi signed his first professional contract with the club. He made his league debut for the club on 25 August 2019, coming on as a late substitute for Niccolò Belloni in a 3-1 victory over Lecco.
On 14 July 2021, he signed a three-year contract with Pisa.
On 5 August 2021, he joined Paganese on loan.
On 20 August 2022, Sussi was loaned to Fiorenzuola.