Who is the son of Odysseus?

The son of Odysseus is Telemachus.

Telemachus is the son of Odysseus and Penelope, and he is a central character in Homer’s Odyssey. When Odysseus leaves for the Trojan War, Telemachus is still an infant. By the poem’s opening, Odysseus has been absent for twenty years, and Telemachus has grown up in Ithaca without his father’s guidance.

The first four books are often called the Telemachy because they follow Telemachus’s search for news of Odysseus. Guided by Athena, he visits Nestor at Pylos and Menelaus at Sparta. These journeys mark his transition from an uncertain young prince into someone capable of defending his household.

After Odysseus returns in disguise, father and son recognize one another and plan the defeat of Penelope’s suitors. Telemachus helps Odysseus reclaim the palace. Later myths introduce other sons of Odysseus, including Telegonus, the son of Circe, but Telemachus is the canonical son in the Odyssey and the answer to this question.