Last name Ziaja (Ziaja 
) , in the world, is quite a rare cognomen. The cognomen Ziaja is habitual in Poland, where it is quite a rare surname, Hungary, and Germany, where it is a rare surname. Also, Ziaja is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ziaja | Poland, Hungary, United States, United Kingdom, Germany |
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anna ziaja Polish contemporary artist and painter, PL (b. 1954) |
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| stanisław ziaja PL (b. 1903) |
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| ernest ziaja Polish ice hockey player, PL (b. 1919) |
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| leon ziaja Oficer Wojska Polskiego (b. 1929) |
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| witold ziaja Polish field hockey player, PL (b. 1940) |
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| wally ziaja American soccer player, US (b. 1949) |
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| krystian ziaja Polish Catholic clergyman, PL (b. 1951) |
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| wiesław ziaja Polish geographer, PL (b. 1956) |
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| zenon ziaja PL (b. 1946) |
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| piotr ziaja PL (b. 1951) |
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| helga ziaja (b. 1955) |
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| wieslaw ziaja researcher |
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| maria ziaja researcher |
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| marek ziaja researcher, PL |
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| marta ziaja-sołtys researcher, PL |
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