Amadeo is a Spanish and Portuguese name derived from the Latin name Amadeus. It may refer to:

People

* for people with the first name Amadeo *

Amadeo I of Spain Amadeo ( it, Amedeo , sometimes latinized as Amadeus; full name: ''Amedeo Ferdinando Maria di Savoia''; 30 May 184518 January 1890) was an Italian prince who reigned as King of Spain from 1870 to 1873. The first and only King of Spain to come fr ...

(1845–1890) * Amadeo Bordiga (1889–1970), founder of the Communist Party of Italy * Amadeo Giannini, co-founder of the Bank of America * Amadeo Labarta (1905–1989), Spanish footballer * Giovanni Antonio Amadeo, Italian sculptor * Mario Amadeo (1911–1983), Argentine politician, diplomat and writer *

Mike Amadeo Casa Amadeo, antigua Casa Hernández is the oldest, continuously-occupied Latin music store in New York City, and the Bronx, having opened in 1941. ''See also:'' Casa Amadeo is located in a historic apartment building located in the Longwood ...

, American musician and composer

Fictional

* Armand (vampire), from Anne Rice's ''The Vampire Chronicles''

Other

* Amadeo (Austrian record label) * Amadeo, Cavite, a municipality in Cavite, Philippines * Casa Amadeo, antigua Casa Hernandez, an historic Latin music store in New York City