Family name Bitter (比特 
, Bitter 
, Биттер 
) , in the world, is a common surname. The cognomen Bitter is habitual in Antigua and Barbuda, where it is quite a common surname, Germany, where it is quite a rare surname, and Hungary. In absolute terms, it most frequently occurs in Germany, the United States, and India. Much less frequently, Bitter is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 比特 | China |
| Bitter | Netherlands, Hungary, United States, Germany, India |
| Биттер | Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| ביטר | Israel |
| bitter von raesfeld (b. 1520) |
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pieter de bitter Dutch naval officer (b. 1620) |
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| jan václav bitter (b. 1739) |
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| t. b. bitter Painter active in Paris, 1814-1819, FR (b. 1750) |
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carl hermann bitter German writer (1813-1885), DE (b. 1813) |
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rudolf von bitter DE (b. 1811) |
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| damian bitter Prussian District Administrator and Government Councillor, DE (b. 1785) |
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bitter péter teacher, school director, cantor (1844–1909), HU (b. 1844) |
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karl julius rudolf von bitter German jurist (1846-1914), DE (b. 1846) |
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| friedrich wilhelm heinrich bitter German jurist, DE (b. 1798) |
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albert bitter German archbishop, DE (b. 1848) |
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| joseph leonhard bitter DE (b. 1790) |
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| ernst bitter German jurist, DE (b. 1809) |
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karl bitter American sculptor (1867-1915), AT (b. 1867) |
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| hans rudolph von bitter (b. 1811) |
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