Last name Restagno (Restagno 
) , worldwide, is a rare family name. The surname Restagno is characteristic of Italy, where it is a rare surname, Argentina, and Canada, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Italy, Argentina, and the United States. Much less frequently, Restagno is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Restagno | Italy, Canada, Argentina, United States, France |
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pier carlo restagno Italian private banker and politician (1898-1966), IT (b. 1898) |
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| dede restagno italian archaeologist, IT (b. 1920) |
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frédéric restagno French physician and researcher, FR (b. 1972) |
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| enzo restagno (b. 1941) |
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| gigi restagno Italian musician and disc jockey, IT (b. 1957) |
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| gabriella restagno researcher |
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| d. restagno researcher, ORCID id # 0000-0002-5120-7787 (b. 1988) |
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