Surname Vacanti (Vacanti 
) , all over the world, is quite a rare family name. The surname Vacanti is characteristic of Italy, where it is a rare surname, the United States, and Switzerland. Not in comparison with a country's population, this name is the most popular in the United States, India, and Italy. Much more frequently, Vacanti is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Vacanti | Italy, Brazil, United States, India, Switzerland |
| sam vacanti American football quarterback, US (b. 1922) |
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| joseph p. vacanti American university teacher, US (b. 1948) |
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| charles a. vacanti American researcher, US (b. 1950) |
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| nathaniel m vacanti researcher |
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