Wendy Stites (born 1949), also known as Wendy Weir, is an Australian retired costume designer and production designer, best known for her frequent collaborations with director Peter Weir. Her accolades include an AACTA Award and a BAFTA Award, in addition to a nomination for an Academy Award.
In 1966, Stites married filmmaker Peter Weir. Together they had two children, Ingrid and Julian.