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Last name Ján (Ján
, Ян
, 揚
, along with others...) , throughout the world, is quite a common cognomen. The family name Ján is habitual in Slovakia, where it is quite a common surname, Kazakhstan, where it is quite a rare surname, and Armenia. In absolute terms, it most frequently occurs in Russia, China, and Kazakhstan. More prevalently, Ján is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ján | Serbia, Czechia, Austria, Slovakia, Germany |
| Ян | Kazakhstan, Russia, Belarus, Azerbaijan, Ukraine |
| 揚 | China |
| יאן | Israel |
| يان | Saudi Arabia, Iraq, Egypt, Sudan, Algeria |
Ing, Novák, Hudák, Vrabec, Oravec, Šimko, Molnár, Sedlák, Baláž, Kollár, Kováč, Králik, Pavlík, Rusnák, Lupták, Farkaš, Šoltés, Michalko, Chovanec, Kováčik, Jánošík, Haluška, Takáč, Lukáč, Gajdoš, Krnáč, Kmec, Nagy, Čech, Marko, Sabol, Danko, Gonda, Lacko, Tomko, Tóth, Horváth, Tkáč, Varga, Zajac, Švec, Mikula, Mikuš, Murín, Bartko, Bučko, Bielik, Kozák, Hudec, and Jankovič