In the world, Roberto (Roberto 
, Роберт 
, روبرت 
, along with others...) is a prevalent male first name. The forename Roberto is characteristic of Argentina, where it is a widespread boy's name, Italy, and Mexico (explore the name in all countries). Measured by absolute frequency, it is commonest in Mexico, Italy, and Brazil. Very seldom, Roberto is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Roberto | Italy, Mexico, Brazil, Philippines, Argentina |
| Роберт | Kazakhstan, Ukraine, United States, Russia, Armenia |
| روبرت | Iran, Egypt, Sudan, Iraq, Algeria |
| ロベルト | Japan |
| Роберто | Kazakhstan, Ukraine, Kyrgyzstan, Russia, Armenia |
| רוברטו | Israel |
| روبرتو | Iraq, Morocco, Libya |
Bert, Bob, Rob, Robat, Robert, Roberta, Robertas, Roberth, Roberts, Robertu, Robertus, Robertò, Robertó, Robertô, Robrecht, Robèrto, Robérto, Robêrto, Robërto, Roope, Ròbèrtò, Róbert, Róberto, Róbértó, Rôberto, Rôbèrtô, Rôbêrtô, Rôbërtô, Röbi, Röpke, Ŕoberto, Řoberto, Μπομπ, Ρόμπερτ, Берт, Боб, Лысый, Репке, Роб, Робат, Робер, Робертас, Робертс, Робертус, Робэрт, בוב, רוב, רובר, רוברט, רוברטס,
Roberto is also a prevalent name for the fictitious and mythical characters: Roberto Alonso Castillo , character in There is no one living here; Roberto Guerro , the video game character from Uncharted, Uncharted: Golden Abyss; Rocky Balboa , the fictional character in the Rocky film series; Robert Baratheon , the character in A Song of Ice and Fire, Game of Thrones and Roberto , the fictional character from Mobile Suit Zeta Gundam, and in many other works.
| roberto caldarera Italian condottiero, IT (b. 1001) |
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| roberto i di capua Norman noble, IT (b. 1050) |
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| roberto ii di capua French noble, IT (b. 1050) |
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| roberto d'embrun (b. 1050) |
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| roberto di alife (b. 1065) |
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| roberto di conversano (b. 1070) |
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| roberto cardinal-priest of S. Pudenziana in XII c (b. 1120) |
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roberto grossatesta English bishop and philosopher, GB (b. 1175) |
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roberto d'angiò King of Naples (1276–1343), IT (b. 1277) |
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| roberto da salle IT (b. 1272) |
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| roberto de' bardi Italian theologian, FR (b. 1290) |
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| roberto orsini Conte di Nola Signore di Vicovaro (b. 1295) |
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| roberto d'oderisio Italian painter (1320-1382), IT (b. 1320) |
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| roberto sanseverino, conte di carigliano 1325- (b. 1324) |
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| roberto alidosi vicar, IT (b. 1350) |
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