In Greek mythology, Helenus (; Ancient Greek: Ἕλενος Helenos, Latin: Helenus) was the name of the following characters:
- Helenus, a son of Zeus and Lysithea, daughter of Evenus.[1]
- Helenus, a prophet, and son of King Priam and Queen Hecuba of Troy.[2]
- Helenus, son of Oenops and an Achaean warrior who participated in the Trojan War. During the siege of Troy, he was killed by Hector and Ares.[3]
- Helenus, one of the Suitors of Penelope from Ithaca along with 11 other wooers.[4] He, with the other suitors, was killed by Odysseus with the assistance of Eumaeus, Philoetius, and Telemachus.[5]