Mae Margaret Whitman (born June 9, 1988) is an American actress and singer. She began acting in commercials as a child, making her film debut at the age of six in the romantic drama When a Man Loves a Woman (1994). She achieved recognition as a child actress for her supporting roles in One Fine Day (1996), Independence Day (1996), Hope Floats (1998), and her television roles on Chicago Hope (1996–1999), JAG (1998–2001) and State of Grace (2001-2002).

Whitman gained mainstream attention for her recurring role as Ann Veal on the Fox sitcom Arrested Development (2004–2006, 2013), as Amber Holt on the NBC drama series Parenthood (2010–2015), and as Annie Marks on the NBC crime comedy Good Girls (2018–2021). For her work on Parenthood, she was nominated for the Critics' Choice Television Award for Best Supporting Actress in a Drama Series. Whitman ventured into mature film roles with Scott Pilgrim vs. the World (2010) and The Perks of Being a Wallflower (2012), and made her leading role film debut in The DUFF (2015), for which she received critical praise and a Teen Choice Award nomination.

Whitman established herself as a prominent voice actor in children's film and television for her voice performances as Little Suzy in Johnny Bravo (1997–2004), Shanti in The Jungle Book 2 (2003), Katara in the Nickelodeon cartoon Avatar: The Last Airbender (2005–2008), Rose/Huntsgirl on American Dragon: Jake Long (2005–2007), Tinker Bell in eponymous films, Wonder Girl / Cassie Sandsmark in Young Justice (2012–2022), April O'Neil in the 2012 incarnation of Teenage Mutant Ninja Turtles, and Amity Blight in The Owl House (2020–2023).