Other
- Cloud 9 (film), 2006 Burt Reynolds beach volleyball comedy motion picture
- Wolke Neun (or Cloud Nine), a 2008 film directed by Andreas Dresen
- Cloud Nine (online game), a 2009 massively multiplayer online role-playing game by MGAME
- Cloud 9 (Battlestar Galactica), a luxury liner on the television show Battlestar Galactica
- Cloud 9 Living, one of the largest experience gift companies in the United States
- Cloud Nine (Shanghai), a 2006 skyscraper and shopping mall in Shanghai
- Cloud 9, a brand name for a chocolate coated nut bar made by Universal Robina Corporation
- Cloud Nine Movies, Tamil film production and distribution company, based in Chennai.
- Cloud 9, also known as Ivory Wave, brand of a group of designer drugs misleadingly labeled as "Herbal incenses" or "Bath salts"
- Cloud 9 (Catalan architecture firm), architecture firm whose designs include the 2011 World Architecture Festival winning building
- Cloud Nine Clothing, a fashion brand based in California
- Cloud 9, dubstep
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