Abigail Kathleen Breslin (born April 14, 1996) is an American actress and singer. Born and raised in New York City, Breslin began appearing in commercials at the age of three and made her film debut in M. Night Shyamalan's science fiction horror film Signs (2002), for which she was nominated for a Young Artist Award. Her early roles also included Raising Helen (2004) and The Princess Diaries 2: Royal Engagement (2004).

Breslin rose to prominence with the comedy-drama film Little Miss Sunshine (2006), for which she received a nomination for the Academy Award for Best Supporting Actress at the age of 10. She subsequently established herself as a mainstream actress, appearing in films such as No Reservations (2007), Nim's Island (2008), Definitely, Maybe (2008), My Sister's Keeper (2009), Zombieland (2009), Rango (2011), The Call (2013), August: Osage County (2013), Maggie (2015), Freak Show (2017), Zombieland: Double Tap (2019), and Stillwater (2021). From 2015 to 2016, she starred in the comedy horror series Scream Queens on Fox — her first regular role in a television series.