Surname Bacigalupi (Bacigalupi 
) , globally, is quite a rare family name. The family name Bacigalupi is habitual in Bermuda, where it is quite a common surname, Uruguay, where it is quite a rare surname, and Argentina, where it is a rare surname. Not in comparison with a country's population, the name is most common in the United States, Italy, and Argentina.
| VARIANT | COUNTRY |
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| Bacigalupi | Italy, Argentina, United States, France, Uruguay |
| antonio maria bacigalupi Roman Catholic bishop (b. 1675) |
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| carlos bacigalupi Uruguayan writer, UY (b. 1873) |
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| angelo bacigalupi Italian politician, IT (b. 1882) |
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| rimo carlo felice bacigalupi botanist (1901-1996), US (b. 1901) |
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| ruben gorlero bacigalupi Uruguayan writer, UY (b. 1915) |
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paolo bacigalupi American science fiction and fantasy writer, US (b. 1972) |
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| montserrat sabater bacigalupi Spanish editor, ES (b. 1940) |
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| raúl isidro buzo bacigalupi UY (b. 1958) |
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| robert bacigalupi researcher |
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| vincenzo bacigalupi architect |
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| don bacigalupi |
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