Family name Petosa (Petosa 
) , in all the world, is a rare cognomen. The last name Petosa is habitual in Belgium, where it is a rare surname, Canada, and Argentina. Measured by absolute frequency, it is the most numerous in the United States, Canada, and Argentina. Much less frequently, Petosa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petosa | Brazil, Canada, Argentina, Belgium, United States |
| aldo petosa (b. 1966) |
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| rick l petosa researcher (ORCID 0000-0003-3259-2373) |
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| carlo petosa researcher |
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