Guido is a male given name. It may also refer to:

Guido may also refer to:

Guido (slang), slang term for Italian-American Guido (surname) GUIDO music notation, a computer music notation format Guido Island, Wilhelm Archipelago, Antarctica 120361 Guido, an asteroid GUIDO, a Guidance Officer or flight controller in Apollo space missions Guido, a character in Disney and Pixar's Cars franchise.

See also Big Guido (born 1964), ring name of Italian-American professional wrestler Michael Santoni Jr. Little Guido (born 1972), another ring name of American professional wrestler Nunzio (wrestler)