Family name Wieloch (Wieloch 
) , around the world, is quite a rare surname. The cognomen Wieloch is characteristic of Poland, where it is quite a rare surname, Germany, where it is a rare surname, and Sweden. Not in comparison with a country's population, it most frequently occurs in Poland, Germany, and the United States. Also, Wieloch is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wieloch | Germany, Sweden, Poland, United Kingdom, United States |
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antoni wieloch SE (b. 1914) |
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tadeusz wieloch Swedish neurobiologist, SE (b. 1950) |
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| maciej wieloch PL (b. 1957) |
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| sławomir wieloch Polish ice hockey player, PL (b. 1969) |
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| andrzej wieloch Polish physicist, PL |
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| maria wieloch Polish ornithologist, PL |
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| artur wieloch |
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