The name Guido is primarily a male name of Italian origin that means Forest Guide.
Guido is a Latinized form of the Germanic name Wido and originates from medieval Italy. It is also a surname.
In North America it is a derogatory name for a working class Italian-American.
Famous bearers include: Guido Bonatti, 13th century Italian mathematician/astronomer. Guido d'Arezzo, 11th century Italian music theorist. Guido Cavalcanti, 13th century Italian poet. Guido dell Colonne, 13th century Italian writer. Guido of Siena, 13th century Italian painter. José María Guido, president of Argentina in 1962-63.