Oceans are the large bodies of salt water that cover almost three quarters of the surface of the Earth, but ocean may also refer to:

OCEAN, acronym of the Big Five personality traits in psychology

Ocean FM, British independent local radio station

Ocean County, New Jersey, United States

"The Ocean" (song), by rock band Led Zeppelin from the 1973 album Houses of the Holy

The Ocean Collective (usually referred to as »The Ocean«), an experimental rock band

The Ocean Group, Canadian production company that specialized in localizing anime into English

"Oceans" (Pearl Jam song), from the 1991 album Ten

Ocean (passenger train), Canadian passenger train operated by VIA Rail

Ocean Software, European video game company

"The Ocean" (U2 song), from U2's album Boy

Helio Ocean, a cell phone produced by Helio

"Ocean" (Wonder Showzen episode), from the sketch comedy television series Wonder Showzen

Ocean Airlines, cargo airline based in Brescia, Italy

"Oceans" (The Tea Party song), from the 2004 album Seven Circles

Ocean (comics), by Warren Ellis and Chris Sprouse, 2004 comic book miniseries

"Ocean", song by Sebadoh from the 1996 album Harmacy

HMS Ocean, British Royal Navy ship

Ocean Airways, scheduled airline based in Nantes, France

Ocean (band), 1970s gospel rock band

"Oceans" (Morning Runner song), by rock band Morning Runner from the 2006 album Wilderness Is Paradise Now

Ocean (Eloy album), a 1977 album by the progressive rock band Eloy

FC Okean Nakhodka, football club in Nakhodka, Primorsky Krai, Russia

Ocean (Marvel Comics), mutant in the Marvel Comics universe

"Ocean", song by John Butler from the album Searching For Heritage

The Ocean (film), 2007 horror film by Dante Tomaselli.

Oceanic (disambiguation)

Ocean Island, two unrelated islands in the Pacific Ocean

Ocean City, cities in the United States

"Ocean", song by B'z

"Ocean", song by Lou Reed and The Velvet Underground

The name of the trawler Ocean after service in the U.S. Navy at the end of World War II.

Océan, a division of the South Province of Cameroon