Saul Nanni (born 4 February 1999) is an Italian actor. He is best known for playing Christian in the Disney Channel series Alex & Co. (2015–2017), Marco in the comedy drama film Under the Riccione Sun (2020), and Alessandro in the romantic comedy film Love & Gelato (2022).

Nanni began acting after auditioning for a Ringo commercial with footballer Kaká, of whom he was a fan. Although he did not land the commercial, a casting agent reached out to him about appearing in the 2012 miniseries La Certosa di Parma, which marked his acting debut.

Nanni is in a relationship with actress Deva Cassel, whom he met while filming The Leopard.