Family name Delfín (Delfin 
, Delphin , Dauphin 
) , all around the world, is a common cognomen. The cognomen Delfín is characteristic of Guam, where it is a common surname, British Virgin Islands, where it is quite a common surname, and Philippines (explore the name in all countries). In absolute terms, the name is most common in Philippines, Mexico, and France. Also, Delfín is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Delfin, Delphin | Democratic Republic of the Congo, Mexico, France, Spain, Philippines |
| Dauphin | Democratic Republic of the Congo, France, United States, Spain, Philippines |
| Delfín | Mexico, United States, Spain, Peru, Argentina |
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víctor delfín Peruvian sculptor and painter, PE (b. 1927) |
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| eusebio delfín figueroa Cuban musician, CU (b. 1893) |
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| jorge carvallo delfín Mexican politician, MX (b. 1901) |
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| orángel delfín Venezuelan actor, director, playwright and broadcaster, VE (b. 1933) |
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| eduardo delfín corvera CL (b. 1924) |
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| rogelio delfín Bolivian footballer (b. 1953) |
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| juan maría delfín Spanish military personnel, ES |
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| paola delfín Mexican painter, MX (b. 1989) |
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