Gods and Goddesses of the Sea Across World Mythologies

Nearly every culture that lived by the water personified its power, mystery, and danger in divine form. Here's a cross-cultural catalog of sea deities—major and minor—from the world's mythologies.

Greek

• Poseidon — Olympian god of the sea, earthquakes, horses.
• Amphitrite — His consort, queen of the sea.
• Oceanus — Titan of the world-encircling river.
• Tethys — Titaness, mother of rivers and oceanids.
• Nereus — "Old Man of the Sea," shapeshifter, father of the Nereids.
• Doris — Oceanid, Nereus's wife.
• The Nereids — 50 sea-nymph daughters (Thetis, Amphitrite, Galatea).
• Triton — Poseidon's son, conch-shell trumpeter.
• Tritons — Merman attendants.
• Proteus — Prophetic sea shepherd.
• Glaucus — Mortal transformed to sea god.
• Leucothea — Former mortal Ino, protector of sailors.
• Palaemon — Her son, harbor guardian.

Roman

• Neptune — Poseidon's counterpart.
• Salacia — Amphitrite's counterpart.
• Portunus — God of harbors.
• Tiberinus — God of the Tiber.

Norse

• Njörðr — Vanir god of sea, wind, wealth.
• Rán — Sea goddess who nets drowned sailors.
• Ægir — Jötunn, brewer to the gods, personifies the ocean.
• The Nine Daughters of Ægir & Rán — Wave personifications.

Egyptian

• Nun — Primordial waters.
• Satet — Nile inundation goddess.
• Khnum — Source of the Nile.

Mesopotamian

• Tiamat — Primordial saltwater goddess (Babylonian).
• Apsu — Primordial freshwater god.
• Enki/Ea — God of fresh water, wisdom, magic.

Japanese

• Watatsumi / Ryūjin — Dragon sea god, palace under the sea.
• Susanoo — Storm god, ruler of the sea.
• Ōyamatsumi — Mountain/sea god.

Polynesian

• Tangaroa — Major sea god (Māori, Cook Islands).
• Kanaloa — Hawaiian sea god.
• Tagaloa — Samoan creator/sea god.

Celtic

• Manannán mac Lir — Irish sea god, Otherworld ferryman.
• Lir — Personification of the sea.
• Dylan ail Don — Welsh sea deity.

Other Notable

• Yam — Canaanite sea god.
• Mazu — Chinese goddess protecting sailors.
• Sedna — Inuit mother of sea mammals.
• Iemanjá — Yoruba/Orisha queen of the ocean (Afro-Brazilian).
• Varuna — Vedic god of cosmic waters.

Monsters (Scylla, Charybdis, Leviathan, Hydra, Jörmungandr) are a separate category—adversaries, not deities—but often offspring or servants of the gods above.