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Last name Trifonow (Трифонов
, Trifonow
) , all over the world, is a common surname. The cognomen Trifonow is habitual in Eastern Europe, particularly Bulgaria, where it is quite a common surname, Russia, and Belarus, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Eastern Europe, particularly Russia, Bulgaria, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Трифонов | Kazakhstan, Russia, Bulgaria, Belarus, Ukraine |
| Trifonow | Russia, Brazil, United States, Argentina, Germany |