Deep Blue

• Deep Blue (musician), electronic and drum and bass musician
• Deep Blue (DC Comics), a superhero in the post-Crisis DC Universe
• Deep Blue (Tokyo Mew Mew), a character from Tokyo Mew Mew manga comic and anime cartoon
• Deep Blue (great white shark), a large, {{convert|20|ft|m|abbr=on}} long female great white shark observed in the Pacific Ocean

• Deep Blues: A Musical Pilgrimage to the Crossroads, a 1992 documentary film about Mississippi Delta blues music
• Deep Blue (2001 film), a film by Dwight H. Little
• Deep Blue (2003 film), a film using footage from The Blue Planet

• Deep Blue Organ Trio, a Chicago-based jazz organ trio

• Deep Blue (Louise Patricia Crane album), 2020
• Deep Blue (Parkway Drive album) (2010)
• Deep Blue (Mark Peters and Elliot Ireland album) (2015)
• Deep Blue (Peter Mulvey album) (1997)
• Deep Blue: Chaos from Darkism, a 2006 album by Balzac
• Deep Blue: Chaos from Darkism II, a 2006 album by Balzac
• The Deep Blue, a 2007 album by Charlotte Hatherley
• Deep Blue, a 2001 album by Keiko Matsui

• "Deep Blue" (song), a song by George Harrison
• "Deep Blue", a song by Ladytron from Velocifero
• "Deep Blue", a song by Angra from Holy Land
• "Deep Blue", a song by Arcade Fire from The Suburbs
• "Deep Blue", a song by Louise Patricia Crane from Deep Blue

• Deep Blue (chess computer), a chess-playing computer developed by IBM that defeated world champion Garry Kasparov in 1997
• Deep Blue (novel), a novel based on Doctor Who
• Deep Blue (video game), a 1989 underwater shooter video game
• Deep Blue, an institutional repository of the University of Michigan Library
• Deep Blue Aerospace, a Chinese rocket manufacturer

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• Deep Blue Sea (disambiguation)
• Deep Blue Something, an American rock band
• Shades of blue
• {{srt}}

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