Cognomen Pleško (Plesko 
, Pleško ) , globally, is quite a rare last name. The cognomen Pleško is habitual in Slovenia, where it is quite a common surname, Croatia, and Slovakia, where it is quite a rare surname.
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| Pleško, Plesko | United States, Slovakia, Croatia, Czechia, Slovenia |
| karel pleško SI (b. 1834) |
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| štefan pleško SK (b. 1914) |
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| stane pleško SI (b. 1923) |
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| igor pleško SI (b. 1924) |
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| joško pleško association football player (1937-2019) (b. 1937) |
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| zdeněk pleško association football player, CZ (b. 1944) |
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| eugen pleško Yugoslav cyclist, HR (b. 1948) |
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| mark pleško Slovene physicist, SI (b. 1963) |
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| matija pleško volleyball player, SI (b. 1976) |
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| lukáš pleško Czech soccer player, CZ (b. 1977) |
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| simon pleško SI |
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| tatjana pleško SI |
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| irena mavrič pleško SI |
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| alenka logar-pleško SI |
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| peter pleško SI |
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Ana, Anita, Boris, Bruno, Karlo, Katja, Paula, Petra, Peter, Petar, Roman, Dario, Darko, David, Davor, Damir, Goran, Jasna, Josip, Juraj, Nenad, Eugen, Sanja, Milan, Metka, Mojca, Rok, Lea, Jan, Tea, Ena, Maja, Miha, Lora, Luka, Jure, Vesna, Tina, Nina, Nejc, Erik, Ivan, Ivka, Igor, Marin, Marta, Marko, Matej, Nada, and Ivana