Family name Calligaro (Calligaro 
) , around the world, is quite a rare last name. The cognomen Calligaro is habitual in Italy, where it is quite a rare surname, France, where it is a rare surname, and Slovenia. In absolute terms, this name is the most popular in Italy, France, and Argentina. Very seldom, Calligaro is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Calligaro | Italy, Argentina, United States, France, Australia |
| len calligaro American football player (1921-2011), US (b. 1921) |
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| renato calligaro Italian painter, IT (b. 1928) |
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tomasz calligaro Italian volleyball player, PL (b. 1993) |
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| renzo calligaro IT (b. 1944) |
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| gudrun calligaro DE (b. 1948) |
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| keith d. calligaro (b. 1956) |
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| thomas calligaro researcher (ORCID 0000-0002-9190-0842) |
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| gregory calligaro researcher |
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| hugo calligaro researcher (ORCID 0000-0003-0334-6974) |
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| alberto calligaro researcher |
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| michel calligaro researcher |
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| giulia calligaro (b. 1972) |
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| oriane calligaro (b. 1980) |
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| steeve calligaro |
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