Margaret B. Blackman (born 1944) is an anthropologist known for her work with the Haida First Nation of the Queen Charlotte Islands of British Columbia, Canada, beginning in the 1970s.
She is, and has been for many years, a professor of anthropology at the State University of New York at Brockport.
Her best-known work is a collaborative biography of the Haida artist Florence Davidson, published in 1982.
- Blackman, Margaret B. (1982; rev. ed., 1992) During My Time: Florence Edenshaw Davidson, a Haida Woman. Seattle: University of Washington Press. ISBN 9780295959436
- Davidson, Robert, and Margaret B. Blackman (1992) Foreword. Raven's Cry by Christie Harris. Vancouver: Douglas & McIntyre.