Last name Jančo (Jančo 
) , globally, is a rare family name. The last name Jančo is habitual in Slovakia, where it is quite a rare surname, Croatia, and Czechia, where it is a rare surname.
| matej jančo Slovak poet (1896-1915), SK (b. 1896) |
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| jozef jančo SK (b. 1965) |
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| milan jančo (b. 1970) |
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| denis jančo Slovak association football player, SK (b. 1997) |
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Jan, Marcel, Maroš, Matúš, Michal, Miško, Andrej, Dušan, Dárius, Jožko, Martin, Oliver, Števo, Marián, Richard, Dominik, Lukáš, Tomáš, Timotej, Ondřej, Miroslav, Ondrej, Radoslav, Marija, Ivica, Tea, Mira, Samo, Deni, Ján, Ivan, Mario, Marek, Milan, Zoran, Anton, Peter, Roman, Darko, Goran, Jakub, Jozef, Juraj, Filip, Ivana, Pavol, and Alexander