Maude Annabelle Apatow Mann (born December 15, 1997) is an American actress. She gained recognition for starring as Lexi Howard in the HBO drama series Euphoria (2019–2026).

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).