Last name Péterfi (Péterfi 
) , in the world, is a rare family name. The cognomen Péterfi is characteristic of Romania, where it is a rare surname, Hungary, and the United States, where it is an extremely rare surname. Much less frequently, Péterfi is the forename as well as the last name.
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| Péterfi | Hungary, Romania, United States |
| károly péterfi Hungarian philosopher, RO (b. 1790) |
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| péterfi lászló HU (b. 1788) |
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| józsef péterfi RO (b. 1796) |
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| albert péterfi RO (b. 1800) |
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| péterfi sándor HU (b. 1817) |
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péterfi istván (1884-1962) music critic, journalist, lawyer, HU (b. 1884) |
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| márton péterfi botanist (1875-1922), RO (b. 1875) |
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| péterfi tibor HU (b. 1883) |
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| ștefan péterfi Romanian botanist (1906-1978), RO (b. 1906) |
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| leontin ștefan eugen péterfi botanist, RO (b. 1937) |
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| péterfi árpád andor Hungarian high school teacher, HU (b. 1942) |
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| péterfi rita Hungarian library director, HU (b. 1969) |
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| zalán péterfi researcher |
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| zoltán péterfi researcher |
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| orsolya péterfi researcher (ORCID 0000-0002-1921-1452), RO |
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Anna, Sándor, András, Annamária, Adrienn, Barbara, Balázs, Bálint, Katalin, Róbert, Dániel, Elemér, István, Zoltán, Zsanett, Szabolcs, László, Erzsébet, Mátyás, Gabriella, Zalán, Tamás, Lili, Imre, Éva, Csaba, Barni, Petra, Réka, Dorka, Dóra, Judit, Erika, Zsolt, Albert, Attila, Csilla, Beáta, Roland, Eszter, and Zsuzsanna