Wendy Lowenstein (born Katherin Wendy Robertson Lowenstein; 1927—2006) was an Australian historian, author, and teacher notable for her recording of people's everyday experiences and her advocacy of social activism. She pioneered oral history in Australia, with Weevils in the Flour in 1978 but she began collecting folklore and oral histories of early Australian working life in the 1960s.
Lowenstein experienced working life in different industries: as a proofreader, print and radio journalist, full-time mother, folklore collector, a teacher-librarian, a writer, an oral historian, and a public speaker on working life and self-publishing.