Was john Dunbar from dances with wolves a real person?

No, John Dunbar from "Dances with Wolves" is not a real person; he is a fictional character created by author Michael Blake for his novel of the same name. The story, set during the American Civil War, follows Dunbar's experiences with the Lakota Sioux tribe. While the film incorporates historical elements and depicts real Native American cultures, Dunbar himself is a product of fiction.