Globally, Petronio (Petronio 
, Petrônio , Петроний 
) is quite a common boy's given name. The first name Petronio is characteristic of Brazil, where it is quite a rare male name, Philippines, and Nicaragua, where it is a rare male name. In absolute terms, it is commonest in Brazil, Philippines, and Italy. Also, Petronio is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Petronio | Italy, Philippines, United States, Argentina, Brazil |
| Petrônio | Brazil, United States |
| Петроний, Петронио | Russia |
Petronius, Petroniusz, Petrónio, Petrõnio, and Pétronio
| petronio veroni IT (b. 1600) |
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| petronio ruggieri FR (b. 1701) |
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| petronio tadolini Bolognese sculptor (1727-1813), IT (b. 1727) |
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| petronio dalla volpe IT (b. 1721) |
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| petronio giovagnoni Italian musician (b. 1732) |
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| petronio fancelli Italian painter (1734-1800), IT (b. 1734) |
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| petronio zecchini (b. 1739) |
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| petronio rizzi painter (1791 ca. - 1845 ca.) (b. 1791) |
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| petronio francesco gramigna Roman Catholic bishop (b. 1844) |
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| petronio álvarez quintero Colombian musician, CO (b. 1914) |
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| petronio alvarez Colombian composer, CO (b. 1914) |
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petronio rasori (?-1844), IT |
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petronio augusto siqueira de aguiar Brazilian Naval Officer |
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| petronio romo CL (b. 1924) |
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| petronio jose lima nogueira politician from Brazil, BR (b. 1959) |
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