Tepastenam (baptized as Donald William Sinclair Ross; c. 1805 – c. 1875) was a respected leader (Cree: kisayman) of the Pimicikamak indigenous people in the 19th century. From oral history accounts he may have been a Midewiwin leader/kisayman. The record of his baptism in 1875 describes him as "A noted conjurer for many years, who long resisted the teachings of Christianity."