Family name Karlach (Karlach 
) , around the globe, is a very rare last name. The surname Karlach is habitual in Czechia, where it is a rare surname, and Germany, where it is a very rare surname. Very seldom, Karlach is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karlach | Germany, India, Czechia |
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mikuláš karlach Czech member of Czech council and mayor, CZ (b. 1831) |
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| václav karlach (b. 1840) |
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| alois karlach Czechoslovak teacher, CZ (b. 1867) |
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| hanuš karlach CZ (b. 1939) |
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| jan karlach Czech sinologist, CZ (b. 1983) |
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| radim karlach CZ (b. 1978) |
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