The name Oceanus is a boy's name of Greek origin. Oceanus and is often added to lists like Mythology Baby Names for Boys and discussed in our forums with posts like "A brother or sister for little Jack or Olivia".
From the experts:
Oceanus was the Titan in ancient Greek mythology who rules what they thought was the body of water that surrounded the Earth. Oceanus was, appropriately enough, the name of the baby born on the Mayflower. Modern variations include Ocean, Oceana, and Oceane, a popular French-Names">French name for girls.