Estelle Harris is an American actress and comedian. She is best known for her supporting role as Estelle Costanza, George's (Jason Alexander) mother and Frank's (Jerry Stiller) wife on Seinfeld, her voice role in Toy Story 2 and Toy Story 3 as Mrs. Potato Head, and her role as Muriel on The Suite Life of Zack and Cody.

She has voiced such characters as Lula, the enchanted sword from Dave the Barbarian, Mama Lipsky on Kim Possible, Thelma on The Proud Family, Old Lady Bear in Brother Bear (2003), Audrey the Chicken in Home on the Range (2004), Death's Mother on Family Guy, and Mrs. Halverstat on iCarly.

She provides the unseen voice of Murray's wife in "In Country...Club".

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