are the large bodies of salt water that cover almost three quarters of the surface of the Earth, but '''ocean''' may also refer to:
;Music
- Ocean (band) , 1970s gospel rock band
- ''Ocean'' (Eloy Album) , a 1977 album by the progressive rock band Eloy
- The Ocean (band) , an experimental rock band
- "The Ocean" (song) , by rock band Led Zeppelin from the 1973 album ''Houses of the Holy''
- "The Ocean" (U2 Song) , from U2's album ''Boy''
- "Oceans" (Pearl Jam Song) , from the 1991 album ''Ten''
- "Oceans" (The Tea Party Song) , from the 2004 album ''Seven Circles''
- "Oceans" (Morning Runner Song) , by rock band Morning Runner from the 2006 album ''Wilderness Is Paradise Now''
- Ocean (singer-songwriter) , singer-songwriter from Malibu, California, U.S.
- Ocean (metal Band) , doom metal group from Portland, Maine, U.S.
- "Ocean", song by B'z
- "Ocean", song by Lou Reed and The Velvet Underground
- "Ocean", song by Sebadoh from the 1996 album '' Harmacy ''
- "Ocean", song by John Butler from the album Searching For Heritage
;Film and Fiction
;Companies
;Ships, Boats
;Other
- ''Ocean'' (passenger Train) , Canadian passenger train operated by VIA Rail
- Ocean County, New Jersey , United States
- Ocean FM , British independent local radio station
- FC Okean Nakhodka , football club in Nakhodka, Primorsky Krai, Russia
- OCEAN, acronym of the Big Five Personality Traits in psychology
- Helio Ocean , a cell phone produced by Helio
- Océan , a division of the South Province of Cameroon
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