Margaret Susan Brock AM FASSA (known as Peggy Brock) (born 1948) is an Emeritus Professor in the School of Arts and Humanities at Edith Cowan University in Perth, Western Australia. Her major areas of interest have been colonial and indigenous history in Australia, the Pacific and parts of Canada and Africa, with particular interest in Australian Aboriginal women. Her work continues to be cited in national and international debates over indigenous policy.