Oceanus is the personification of the world-ocean in Greek myth.
Oceanus may also refer to:
People Oceanus Hopkins (1620 – c. 1627), the only child born on the Mayflower during its historic voyage which brought the Pilgrims to America
Ships MTS Oceanos, a cruise ship which sank off South Africa's eastern coast on 4 August 1991 RV Oceanus, a research vessel operated by the Woods Hole Oceanographic Institution USS Oceanus (ARB-2), a battle damage repair ship built for the United States Navy during World War II
Spacecraft Oceanus (Titan orbiter), a proposed orbiter mission to Saturn's moon Titan Oceanus (Uranus orbiter), a proposed orbiter named as an acronym for "Origins and Composition of the Exoplanet Analog Uranus System"
Geography Ocean in Latin, sometimes found on English maps Oceanus Procellarum, a vast lunar mare on the western edge of the near side of Earth's Moon Oceanus Borealis, a hypothesised ancient Martian ocean about the north pole of Mars
Films Oceanus: Act One, a 2015 adventure, science fiction short film directed by Jeffrey Morris Oceanus: Odyssey One, a 2019 adventure, science fiction film directed by Jeffrey Morris
See also World ocean Ocean (disambiguation) Oceanic (disambiguation) Oceania (disambiguation)