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Yes, "Gianantonio" is a last name.

Specifically, the name combines the first names "Giovanni" and "Antonio." The name "Giovanni" means "John." It often is shortened to "Gianni" or even "Gian" before names that begin with vowels. The name "Antonio" means "Anthony."

The pronunciation is "DJYAH-nahn-TOH-nyoh."

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14y ago

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