Galileo can mean:

People

• Galileo Galilei (1564-1642), astronomer, philosopher, and physicist.

Business

• GALILEO, an Argentine company of the Sideco Group.
• Galileo CRS, an airline reservation system.
• Galileo Galilei International Airport, an airport located in Pisa, Italy.

Culture

• Rocket Ship Galileo, a 1947 science fiction novel by Robert A. Heinlein.
• Galileo (magazine), a 1970s science fiction magazine.
• Life of Galileo, or Galileo, a play by Bertolt Brecht
• Galileo (film), an adaptation of Brecht's play.
• Galileo (song), a pop song by Amy Grant.
• Galileo (song), a pop song by the Indigo Girls.
• Galileo Galilei (opera), an opera by Philip Glass.
• Galileo (television), several German pseudo-scientific documentary television series .
• Galileo (Japanese television drama), a Japanese drama based on Detective Galileo (探偵ガリレオ, Tantei Garireo^?) by Keigo Higashino (東野 圭吾,, Higashino Keigo^?).
• Galileo (The West Wing), an episode of The West Wing.

Education

• Galileo University is a centre of higher education in Guatemala.
• Galileo Academy of Science and Technology is a school in San Francisco, California.
• Georgia Library Learning Online (GALILEO), a virtual library operated by the University System of Georgia.

Science and technology

• Galileo (unit), a variant name of the gal, a CGS measure of acceleration.
• Galileo (satellite navigation), a European satellite navigation system, currently in development.
• Galileo (spacecraft), a space probe that visited Jupiter.

Sports

• Galileo (horse), a European champion thoroughbred racehorse.

Maritime

• Galileo Galilei was an Archimede class submarine that served with both the Italian and the British navies during World War 2.
• SS Galileo Galilei, a cruise liner.

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