Winifred Smeaton Thomas (April 21, 1903 - May 18, 1987) was an anthropologist focused on Near and Middle East cultures. Thomas is well known for studying magic and tattooing practices among Arab women during her fieldwork in Iraq from 1932 to 1935. Thomas also served as a physical anthropologist for the Field Museum on an anthropological expedition to the Near East collecting anthropomorphic data and conducting anthropometry research.