Leto Atreides is the name of three characters in the fictional Dune universe created by Frank Herbert:
Leto I Atreides, father of Paul "Muad'Dib" Atreides Leto II Atreides the Elder, first son of Paul Atreides and Chani; killed in his infancy Leto II Atreides (God Emperor of Dune), son of Paul Atreides and Chani and twin to Ghanima