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In the world, Arnoldo (Arnoldo , Арнольдо , Арнальдо ) is a common male forename. The given name Arnoldo is habitual in Latin America and the Caribbean, particularly Costa Rica, where it is quite a common boy's name, Nicaragua, and Guatemala (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Latin America and the Caribbean, particularly Mexico, Brazil, and Argentina. Very seldom, Arnoldo is the last name as well as the forename.
Arnoldo is also a name for the fictitious and mythical characters: Arnoldo , the operatic character in the opera Adelia by Gaetano Donizetti; commander of the French archers in the service of the Duke and Arnoldo , the operatic character in the opera I Lituani by Amilcare Ponchielli; lithuanian prince.