Worldwide, Biaggio (Biaggio 
) is a rare masculine given name. The forename Biaggio is habitual in Italy, where it is a rare male name, Peru, where it is a very rare male name, and the United States, where it is a very rare primarily masculine, but very seldom girly name. More frequently, Biaggio is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Biaggio | Italy, Switzerland, United States, Argentina, Brazil |
| biaggio montalbano delicatessen owner in New Orleans, Louisiana, United States, who invented the Roma sandwich, a forerunner of the muffaletta sandwich, IT (b. 1890) |
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| biaggio pilieri Venezuelan politician, VE (b. 1965) |
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| biaggio pangallo Napolitan naval engineer of the 17th century, IT |
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| biaggio quattrociocche |
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