All around the world, Szaniszló (Szaniszló 
, Szaniszlo 
) is a very rare boy's given name. The first name Szaniszló is habitual in Eastern Europe, particularly Slovakia, where it is a rare boy's name, and Hungary. More frequently, Szaniszló is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Szaniszló | Slovakia, Hungary |
| Szaniszlo | Canada, Slovakia, United States, Hungary, Romania |
Estanislao, Stanislav, Stanislaw, Stanisław, Станислав, Станислаус, Станіслав, Станіслаў, Стас, Стасик, Стасян, and Эстанислао
| töltényi szaniszló Hungarian physician, writer, poet (1795-1852), HU (b. 1795) |
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villányi szaniszló Hungarian benedictine monk (1847-1898), HU (b. 1847) |
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timár szaniszló Newscaster *1859, HU (b. 1859) |
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jáki szaniszló American priest and physicist, HU (b. 1924) |
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| kühn szaniszló (b. 1895) |
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| priszter szaniszló Hungarian botanist (1917-2011), HU (b. 1917) |
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szaniszló richárd (b. 1977) |
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| szaniszló i báthory de somlyó - Bef 1395 |
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