Diego Longo (born 25 January 1976) is an Italian football manager, currently in charge of Serie C Group B club Sestri Levante.

In 2005, Longo was appointed assistant manager of Romanian side Rapid.

[1] In 2019, he was appointed assistant manager of Al Hilal (Saudi Arabia) in Saudi Arabia.

[2][3] On 17 December 2024, Longo returned to Italy, being appointed in charge of Serie C club Sestri Levante.

[4] This biographical article relating to Italian football is a stub.