Ava Grace Kolker (born December 5, 2006) is an American teen actress and singer. Kolker's roles include Ava Morgenstern on the Disney Channel series Girl Meets World (2014–2017), and Olive Rozalski on Sydney to the Max (2019–2021). In film, she portrayed Lily in Scary Movie 5 (2013), Heather in Miss Meadows (2014), Boot in Message from the King (2016) and Young Elise Rainer in Insidious: The Last Key (2018).

Early life
Kolker was born in Los Angeles, California then moved one year to Florida. She has three sisters, Kayla Kolker, Jade Kolker and Lexy Kolker, also an actress, who is best known for playing Chloe in the 2018 horror film Freaks.