Across the world, オーシャン (Ocean 
, オーシャン 
) is quite a rare unisex first name. The forename オーシャン is characteristic of the Democratic Republic of the Congo, where it is quite a rare largely male, but seldom feminine name, Hong Kong, where it is a rare boy's name, and Taiwan. Not in comparison with a country's population, it is commonest in the Democratic Republic of the Congo, Indonesia, and the United States. Also, オーシャン is the last name as well as the forename.
オーシャン is also a name for the fictitious and mythical characters: Ocean Master , the fictional character appearing in comic books published by DC Comics, Aquaman.