Last name Giongo (Giongo 
) , worldwide, is quite a rare family name. The family name Giongo is habitual in Brazil, where it is a rare surname, Italy, and Switzerland.
| VARIANT | COUNTRY |
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| Giongo | Italy, Switzerland, United States, Argentina, Brazil |
| antonio giongo (b. 1734) |
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franco giongo Italian sprinter (1891-1981), IT (b. 1891) |
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maria cristina giongo Italian journalist and writer, IT (b. 1951) |
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| affonso rocha giongo Brazilian geometer, BR (b. 1918) |
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| olga giongo person identified in the Museu da Pessoa collection, BR (b. 1937) |
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| fabio giongo IT (b. 1928) |
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| giuliano giongo IT (b. 1942) |
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| adriana giongo researcher |
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| vanderlise giongo Brazilian soil scientist, BR |
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| franciele giongo researcher |
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| antonietta giongo IT (b. 1973) |
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| viveca a. giongo researcher |
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