Julia Fox (born February 2, 1990) is an Italian-American actress. Her debut performance was in the 2019 film Uncut Gems, for which she was nominated for the Breakthrough Actor Award at the 2019 Gotham Awards. She is also known for her eccentric style and online presence.

In October 2023, Fox released her debut novel, a memoir titled Down The Drain. She has since released a single by the same name. She also hosts a Spotify podcast with Niki Takesh, titled Forbidden Fruits.