Last name Rodulfo (Rodulfo 
) , throughout the world, is quite a common cognomen. The family name Rodulfo is characteristic of Latin America and the Caribbean, particularly Aruba, where it is quite a common surname, Trinidad and Tobago, where it is quite a rare surname, and Venezuela. Measured by absolute frequency, the name is most common in Mexico, Philippines, and Venezuela. More frequently, Rodulfo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rodulfo | Philippines, Mexico, United States, Peru, Venezuela |
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peter rodulfo British artist and sculptor, GB (b. 1958) |
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néstor rodulfo Puerto Rican actor, US (b. 1972) |
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| ricardo rodulfo Argentinian psychologist and university professor, AR (b. 1942) |
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| hectorina rodulfo researcher (ORCID 0000-0002-6678-5184) |
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