Last name Duch (Duch 
, Dutch 
, Дуч 
) , globally, is quite a common surname. The family name Duch is habitual in Denmark, where it is quite a rare surname, Poland, and Slovakia. In absolute terms, it is the most numerous in Poland, the United States, and Germany. Likewise, Duch is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duch | Germany, Spain, Poland, United States, Democratic Republic of the Congo |
| Dutch | Germany, France, Spain, United Kingdom, United States |
| Дуч | Russia, Ukraine |
| Dütsch | Switzerland, United States, Germany, Argentina |
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kazimierz duch Polish officer, PL (b. 1890) |
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bronisław duch Polish Major General and General Inspector of the Armed Forces (1896-1980), PL (b. 1896) |
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lluís duch Catalan monk and anthropologist, ES (b. 1936) |
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| jan duch Polish officer, UA (b. 1888) |
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| bronisław duch Polish officer, PL (b. 1891) |
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| mieczysław duch Polish officer (1894-1948), PL (b. 1894) |
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| eugeni duch i salvat (b. 1887) |
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| karl duch Austrian cook, AT (b. 1898) |
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| arno duch (b. 1889) |
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włodzisław duch Polish physicist, PL (b. 1954) |
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| jan duch (b. 1898) |
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montserrat duch i plana Spanish historian and politician, ES (b. 1959) |
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jaume duch guillot Spanish spokesperson, ES (b. 1962) |
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| max duch DE (b. 1905) |
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| karl duch (b. 1914) |
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