Surname Riolfo (Riolfo 
) , across the world, is quite a rare family name. The last name Riolfo is habitual in Italy, where it is quite a rare surname, Uruguay, where it is a rare surname, and Argentina. Very seldom, Riolfo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Riolfo | Italy, Uruguay, Colombia, Argentina, France |
| carlos riolfo secco Uruguayan footballer (1905-1978), UY (b. 1905) |
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| dalton rosas riolfo UY (b. 1923) |
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| silvio riolfo marengo Italian poet and art critic (1940-), IT (b. 1940) |
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| diego riolfo Uruguayan footballer|Economist, UY (b. 1990) |
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Mr, Marco, Malco, Mauro, Maura, Mabel, Mirta, Sonia, Anahi, Angel, Carlo, Carla, Celia, Cesar, Bruno, Karen, Paula, Pablo, Paola, Paolo, Peggy, Piero, Marta, Mario, Maria, Omar, Ana, Emy, Sara, Seba, Alex, Anna, Adro, Raul, Rosa, Dora, Piera, Luca, Jose, Jere, Juan, Elsa, Elva, Elba, Enzo, Hugo, Facu, Iris, Luis, and Renzo