Ashlie Theresa Brillault (born May 21, 1987), is an American actress who is better known as simply Ashlie Brillault.

Brillault, who stands 5 foot 7 inches tall (67 inches), plays 14 year old Kate Sanders on the Lizzie McGuire show. She stars alongside Hilary Duff, Lalaine and Robert Carradine, among others.

Her experience acting as Kate Sanders is her first television or movies acting experience.