Family name Chiostri (Chiostri 
) , in the world, is a rare cognomen. The last name Chiostri is characteristic of Italy, where it is a rare surname, Argentina, where it is a very rare surname, and New Zealand. Measured by absolute frequency, the name is most common in Italy, Argentina, and the United States. Much less frequently, Chiostri is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Chiostri | Australia, France, Argentina, Italy, United States |
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luigi chiostri FR (b. 1847) |
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manfredo chiostri Italian politician (1888-?), IT (b. 1888) |
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| carlo chiostri painter and illustrator (1863-1939), FR (b. 1863) |
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| eugenio chiostri (Italian, 1885–1973) (b. 1885) |
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| sofia chiostri (Italian, 1898–1945) (b. 1898) |
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| mauro chiostri Italian canoeist, IT (b. 1948) |
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| amelia chiostri soprano |
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| sestilia chiostri |
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Ana, Sabina, Silvia, Sergio, Alicia, Andrea, Chiara, Carlos, Bessie, Pierre, Rosita, Robert, Danilo, Darryl, Gianni, Giulio, Jacopo, Judith, Teresa, Valter, Martina, Massimo, Matteo, Fabio, Erika, Nancy, Bob, Ray, Sara, Remo, Luca, Juan, Maria, Mario, Marco, Mauro, Mafalda, Sofia, Carlo, Paola, Randy, Renzo, Ruben, Guido, Laura, Lucia, James, Jamie, Angel, and Michele