Last name Ronchetti (Ronchetti 
) , around the globe, is quite a common cognomen. The last name Ronchetti is characteristic of Italy, where it is quite a rare surname, Switzerland, and Argentina, where it is a rare surname. Measured by absolute frequency, it is commonest in Italy, Argentina, and Brazil. Much less frequently, Ronchetti is the forename as well as the last name.
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| Ronchetti | Argentina, Brazil, France, Italy, United States |
| giuseppe ronchetti Italian historian (1752–1838) (b. 1752) |
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| anselmo ronchetti IT (b. 1773) |
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scipione ronchetti Italian politician, IT (b. 1846) |
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| tito ronchetti Italian politician, IT (b. 1827) |
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| anselmo ronchetti Italian librarian (1841-1908), IT (b. 1841) |
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| giuseppe ronchetti Italian writer and painter (b. 1857) |
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liliana ronchetti basketball player, IT (b. 1927) |
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| vittorio ronchetti (b. 1874) |
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| rosalie ronchetti holocaust victim, b. 1884-12-10, AT (b. 1884) |
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| mario ronchetti Italian association football player, IT (b. 1898) |
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marcos antônio ronchetti politician, BR (b. 1956) |
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| giancarlo ronchetti Italian bobsledder, IT (b. 1913) |
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lucia ronchetti Italian composer, IT (b. 1963) |
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mark ronchetti former meteorologist and politician (b. 1973) |
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| fernando ronchetti Italian painter (1923-2005), IT (b. 1923) |
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