Edmund Wade Davis (born December 14, 1953) is a noted Canadian anthropologist, ethnobotanist, author and photographer whose work has focused on worldwide indigenous cultures, especially in North and South America and particularly involving the traditional uses and beliefs associated with psychoactive plants. Davis came to prominence with his 1985 best-selling book The Serpent and the Rainbow about the zombies of Haiti.
Davis has published popular articles in Outside, National Geographic, Fortune and Cond Nast Traveler.
In 2009 he was selected to be the speaker for the Massey Lectures, for his publication, The Wayfinders.