Maude Annabelle Apatow Mann (born December 15, 1997) is an American actress. She stars as Lexi Howard in the HBO drama series Euphoria (2019–present).

She is the eldest daughter of filmmaker Judd Apatow and actress Leslie Mann. Apatow began her career playing the daughter of her mother's characters in her father's films Knocked Up (2007), Funny People (2009), and This Is 40 (2012).

Apatow gained further recognition for her roles in the films Other People (2016), The House of Tomorrow (2017), Assassination Nation (2018), and The King of Staten Island (2020) and the Netflix miniseries Hollywood (2020).