Cognomen Bertelli (Bertelli 
) , all over the world, is a common family name. The last name Bertelli is habitual in Italy, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and Argentina. Measured by absolute frequency, it most frequently occurs in Italy, Brazil, and Argentina. Much less frequently, Bertelli is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Bertelli | Brazil, Italy, France, United States, Argentina |
| pietro bertelli publisher from Italy (b. 1500) |
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| ferrando bertelli Italian painter, IT (b. 1525) |
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| luca bertelli Italian engraver, IT (b. 1550) |
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| carlo antonio bertelli 1637-, IT (b. 1637) |
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| agostino bertelli Italian Painter (1727-1776), IT (b. 1727) |
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| luigi bertelli (b. 1749) |
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alfonso bertelli Italian sculptor (1822 - 1896) (b. 1822) |
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timoteo bertelli Italian presbyter, IT (b. 1826) |
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luigi bertelli Italian painter (1833-1916), IT (b. 1833) |
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santo bertelli Italian painter (1840-1892), IT (b. 1840) |
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| francesco bertelli Italian astronomer (b. 1794) |
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luigi bertelli Italian journalist and writer (1858-1920), FR (b. 1858) |
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flavio bertelli Italian painter, IT (b. 1865) |
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| achille bertelli Italian entrepreneur, IT (b. 1855) |
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| dante bertelli Italian anatomist (1858-1946), IT (b. 1858) |
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