Jonathan Kolia Favreau (born October 19, 1966) is an American actor, director, producer and screenwriter.

As an actor, Favreau has appeared in the films Rudy (1993), PCU (1994), Swingers (1996), Very Bad Things (1998), The Replacements (2000), Daredevil (2003), The Break-Up (2006), Couples Retreat (2009), I Love You, Man (2009), The Wolf of Wall Street (2013), and Chef (2014).

As a filmmaker, Favreau has been significantly involved with the Marvel Comics franchise, particularly in collaboration with Robert Downey Jr. He directed, produced, and appeared as Happy Hogan in the films Iron Man (2008) and Iron Man 2 (2010). He also served as an executive producer for, and/or appeared as the character in, the films The Avengers (2012), Iron Man 3 (2013), Avengers: Age of Ultron (2015), Spider-Man: Homecoming (2017), Avengers: Infinity War (2018), Avengers: Endgame (2019), Spider-Man: Far From Home (2019) and Spider-Man: No Way Home (2021).

As a director, he worked on the films Elf (2003), Zathura: A Space Adventure (2005), Cowboys & Aliens (2011), Chef (2014), The Jungle Book (2016) and The Lion King (2019). Favreau is the creator of the Star Wars Disney+ original series The Mandalorian (2019–present) as well as one of its executive producers and directors. He also serves as a director and executive producer for its spin-off series The Book of Boba Fett. He produces films under his production company banner, Fairview Entertainment, and also presents the television cooking series The Chef Show.