Epilobium coloratum, known by the common names purpleleaf willowherb and cinnamon willow-herb, is a species of flowering plant in the genus Epilobium of the willowherb family Onagraceae. This species is native to the Midwest and Eastern United States, as well as the Canadian provinces of Ontario, Québec, New Brunswick, Nova Scotia, and Newfoundland. It is also native to the Dominican Republic and Haiti.