Last name Keszthelyi (Keszthelyi 
) , globally, is quite a rare family name. The last name Keszthelyi is habitual in Hungary, where it is quite a common surname, Lithuania, where it is a rare surname, and Austria. Not in comparison with a country's population, it is the most numerous in Hungary, the United States, and Austria. Very seldom, Keszthelyi is the forename as well as the last name.
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| Keszthelyi | United Kingdom, Austria, Hungary, United States, Canada |
| keszthelyi lászló priest, HU (b. 1732) |
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| keszthelyi endre (1847–1890), HU (b. 1847) |
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keszthelyi zoltán HU (b. 1909) |
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| sándor keszthelyi UA (b. 1874) |
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keszthelyi sándor HU (b. 1952) |
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| keszthelyi mihály football player (1922-2000), HU (b. 1922) |
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| istván keszthelyi (b. 1914) |
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| keszthelyi ferenc Catholic bishop (1928-2010), HU (b. 1928) |
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| keszthelyi tibor Hungarian diplomat, literary historian, Africanist (1932-1993), HU (b. 1932) |
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| keszthelyi rezső Hungarian writer, poet and editor (1933-2016), HU (b. 1933) |
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keszthelyi erik insurance professional, businessman, HU (b. 1983) |
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| keszthelyi rudolf Hungarian gymnast (1935-), HU (b. 1935) |
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| keszthelyi lászló motorcycle racer, HU (b. 1935) |
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| keszthelyi lajos HU (b. 1927) |
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| gyula keszthelyi RO (b. 1934) |
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Mr, Márk, Susie, Steve, Antal, Anita, Csaba, Barby, Balã, Bence, Magor, Béla, Peter, Renã, Réka, David, Diana, Dorka, Gabor, Gyula, Lajos, Petra, Marci, Éva, Zita, Ms, Mã, Sã, Pã, Gã, Tim, Eni, Eva, Alex, Aliz, Anna, Adam, Kata, Rita, Dina, Gena, Greg, Jake, Nora, Imre, Orsi, Lilla, and Jacob