Evenus (; Ancient Greek: Εύηνος, romanized: Eúēnos) is the name of several characters in Greek mythology.
Evenus, a river god or a son of Ares.
Evenus, father of Lysithea who bore Helenus to Zeus.
Evenus, king of Lyrnessus and son of Selepus. His two sons, Mynes and Epistrophus, were killed by Achilles when he had raided the place.