Judd Apatow (/ˈæpətaʊ/; born December 6, 1967) is an American director, producer, screenwriter, and comedian known for his work in comedy films. Apatow is the founder of Apatow Productions, through which he wrote, produced, and directed his films The 40-Year-Old Virgin (2005), Knocked Up (2007), Funny People (2009), This Is 40 (2012), Trainwreck (2015), The King of Staten Island (2020), and The Bubble (2022).

Through his company, Apatow produced and developed the television series Freaks and Geeks (1999–2000), Undeclared (2001–2002), Funny or Die Presents (2010–2011), Girls (2012–2017), Love (2016–2018), and Crashing (2017–2019). He also produced the films The Cable Guy (1996), Anchorman: The Legend of Ron Burgundy (2004), Talladega Nights: The Ballad of Ricky Bobby (2006), Superbad (2007), Pineapple Express (2008), Forgetting Sarah Marshall(2008), Get Him to the Greek (2010), Bridesmaids (2011), Begin Again (2013), and The Big Sick (2017).