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

GALILEO an Argentine company of the Sideco Group

Galileo (spacecraft), a space probe that visited Jupiter.

Galileo positioning system, a European satellite navigation system, currently in development.

SS Galileo Galilei, a cruise liner

Galileo Galilei (opera), an opera by Philip Glass.

Galileo (horse), a European Champion Thoroughbred racehorse

Galileo (magazine), a 1970s science fiction magazine.

Galileo (unit), a variant name of the gal, a CGS measure of acceleration.

Galileo Galilei International Airport, an airport located in Pisa, Italy

Galileo CRS, an airline reservation system.

Georgia Library Learning Online (GALILEO), a virtual library operated by the University System of Georgia.

Galileo University is a centre of higher education in Guatemala.

Rocket Ship Galileo, a 1947 science fiction novel by Robert A. Heinlein.

Life of Galileo, or Galileo, a play by Bertolt Brecht

Galileo (song), a pop song by Amy Grant.

Galileo (song), a pop song by the Indigo Girls.

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 Academy of Science and Technology is a school in San Francisco, California.