| Term | Definition |
| Athena | Greek goddess of wisdom, war, and protector of Odysseus |
| Calypso | beautiful Sea nymph, who kept Odysseus on her island for seven years |
| Charybdis | a whirlpool in the Straits of Messina, personified as a female monster |
| Circe | beautiful goddess who transformed Odysseus' men into beasts |
| Cyclops | member of a race of one-eyed giants |
| Helios | the Greek sun god |
| Laestrygonians | race of man-eating giants |
| Polyphemus | cyclops, son of Poseidon |
| Poseidon | Greek god of the sea |
| Scylla | a dangerous rock in the straights of Messina; it appeared as a female monster with six heads who ate passing sailors |
| Sirens | sea nymphs who lured sailors to destruction with their songs |
| Zeus | ruler of the gods and goddesses on Mount Olympus |
| Achaeans | another name Homer uses to refer to the greeks |
| Agamemnon | commander of the Greeks in the trojan war |
| Alcinous | king of Phaeacia |
| Cicones | a people who lived on the coast of Thrace and were attacked by Odysseus' men on their way home from Troy |
| Eumaeus | a Swinherd, an old and loyal servant to Odysseus |
| Eurycleia | Penelope's servant and Odysseus' old nurse |
| Eurymachus | one of Penelope's suitors |
| Eurynome | Penelope's maid |
| Odysseus | King of Ithaca |
| Penelope | Odysseus' wife |
| Telemachus | Odysseus' son |
| Laertes | Odysseus' father |
| Ithaca | Odysseus' home, an island off the coast of Greece |
| Phaeacia | An island kingdom inhabited by seafarers and traders |