Gianni Di Gregorio (born 19 February 1949) is an Italian director, screenwriter and actor.

Born in Rome, Di Gregorio trained as a stage actor and director in the Drama School of Alessandro Fersen.

He started his professional career as a screenwriter in the second half of the 1980s.

[1] In the 1990s Di Gregorio started collaborating with Matteo Garrone as a screenwriter, an actor and an assistant director, their most famous work being the 2008 award-winning film Gomorrah.

He made his directorial debut in 2008, with the critically acclaimed Mid-August Lunch, which he also wrote and starred in; he followed that up with other films in the same vein.