Cognomen Težak (Težak 
) , throughout the world, is a rare last name. The cognomen Težak is characteristic of Southern Europe, particularly Croatia, where it is quite a common surname, and Slovenia, where it is quite a rare surname.
| stjepko težak Croatian linguist, HR (b. 1926) |
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| marija težak Slovene gymnast (1957-), SI (b. 1957) |
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| božo težak HR |
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| oto težak SI |
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| andrej težak - tešky SI |
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| sergej težak SI |
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| katja težak SI (b. 1981) |
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| karlo težak Croatian footballer, HR (b. 1993) |
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| vesna težak SI (b. 1991) |
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Ana, Mario, Marko, Mateo, Matej, Matea, Milka, Mirko, Sanja, Silva, Stela, Anita, Anica, Boris, Bruno, Karlo, Katja, Petra, Ratko, Ruža, Denis, Dejan, Marin, Igor, Ivka, Ivan, Lea, Tea, Tin, Ema, Eva, Vid, Iva, Ivo, Maja, Megi, Darko, Mijo, Sven, Anja, Roko, Dora, Leon, Tina, Niko, Nina, Nejc, Ines, Sara, and David