Family name Koler (Koler 
, Колер 
, Кьолер 
) , worldwide, is quite a rare surname. The family name Koler is habitual in Slovenia, where it is quite a rare surname, Croatia, and Austria. In absolute terms, it is commonest in the United States, India, and Malaysia. Much less frequently, Koler is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koler | Indonesia, United States, Malaysia, India, Slovenia |
| Колер | Kazakhstan, Ukraine, Kyrgyzstan, Russia |
| Кьолер | Ukraine, Bulgaria |
| christoph koler Christoph Koler (1483-1536), a correspondent of Willibald Pirckheimer, DE (b. 1483) |
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| hieronymus koler DE (b. 1528) |
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| georg koler (b. 1617) |
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| johann caspar koler AT (b. 1698) |
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| samo koler (b. 1909) |
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| ljubomir koler SI (b. 1917) |
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| erwin koler Austrian politician, AT (b. 1949) |
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| katharina koler Katharina Koler, a correspondent of Willibald Pirckheimer |
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| andreas koler Abbot of the Benedictine Abbey Plankstetten |
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| rakhel koler Victim of the Holocaust, PL |
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| katjuša koler researcher |
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| karen koler DE (b. 1974) |
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| johann koler |
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| hans koler DE |
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| jan koler |
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