Anecdotes

Has a tattoo on his left forearm that reads "Nancy Rules". It is a tribute to his grandmother.

Officiated the wedding between childhood friend Adam Levine and Behati Prinsloo.

His top five favorite films are Rushmore (1998), The Big Lebowski (1998), Boogie Nights (1997), Retour vers le futur (1985) and Les Affranchis (1990). (2010)

As of 2022, he has appeared in 4 movies that were nominated for the Best Picture Oscar: Le stratège (2011), Django Unchained (2012), Le Loup de Wall Street (2013), and Don't Look Up : Déni cosmique (2021).

Was roommates with Justin Long after they met on the TV show Campus Ladies (2006).

Is very sensitive about his weight, and thoroughly dislikes being asked about it in interviews. He lost almost 40 pounds in 2011, mainly by eating sushi.

The first sequels of his career, 22 Jump Street (2014) and Dragons 2 (2014) opened on the same day: June 13, 2014.

Is good friends with Channing Tatum, with whom he worked on 21 Jump Street (2012), C'est la fin (2013) and 22 Jump Street (2014). He also befriended Leonardo DiCaprio while working together on Le Loup de Wall Street (2013).

Won the role of "Seth" over Bo Barrett in SuperGrave (2007).

Is friends with Dustin Hoffman's children - Rebecca Hoffman and Jake Hoffman, which is how he discovered the role in J'adore Huckabees (2004).

In SuperGrave (2007), Hill's character says, "This plan's been [bleep]ed since Jump Street," referencing the TV show 21 Jump Street (1987). Five years later, Hill would star in the big-screen version of 21 Jump Street (2012).

Studied drama at New School University.

Son of Richard Feldstein and Sharon Feldstein. Brother of Jordan Feldstein and Beanie Feldstein. Former brother-in-law of Francesca Eastwood. Of Russian Jewish descent, Jonah Hill's great-uncle was actor, director, and producer Alan Rafkin, whose sister, Claire, was Jonah's paternal grandmother.

Friends with Emma Stone.

Was ranked #21 on Entertainment Weekly's '30 Under 30' the actors list. (2008)

He is the first male born in 1980 or after to have received more than one Academy Award nomination for acting (for Le stratège (2011) and Le Loup de Wall Street (2013)). The next two are Eddie Redmayne (for Une merveilleuse histoire du temps (2014), which he won, and Danish Girl (2015)) and Ryan Gosling (for Half Nelson (2006), La La Land (2016), and Barbie (2023)).

Announced his engagement to Gianna Santos on September 2, 2019. The two split as of October 2020.

Enjoys the films of Woody Allen.