Cognomen Stefanov (Stefanov 
, Стефанов 
) , across the world, is a common last name. The family name Stefanov is characteristic of Bulgaria, where it is a widespread surname, North Macedonia, where it is quite a common surname, and Serbia. Not in comparison with a country's population, it is commonest in Bulgaria, Russia, and Serbia. Much less frequently, Stefanov is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Stefanov | Greece, Romania, North Macedonia, Bulgaria, Serbia |
| Стефанов | Ukraine, Kazakhstan, Belarus, Bulgaria, Russia |
Stefanoff, Stefanow, Stepanović, Štefanov, and Степанович
| yanaki stefanov MK (b. 1864) |
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| dimitŭr stefanov (b. 1932) |
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| vasil stefanov (b. 1933) |
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| boris stefanov Bulgarian equestrian, BG (b. 1946) |
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| krasimir stefanov Bulgarian wrestler (b. 1949) |
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| ilija slavov stefanov (b. 1940) |
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| zhelyu stefanov Bulgarian boxer (b. 1955) |
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| mira stefanov AT (b. 1946) |
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| krasimir stefanov chess player (b. 1960) |
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| angel stefanov stefanov (b. 1951) |
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| istván stefanov Hungarian footballer (b. 1964) |
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| ognjan borisov stefanov (b. 1954) |
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| khristo stefanov Bulgarian athlete (b. 1970) |
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| petko stefanov Bulgarian long-distance runner (b. 1972) |
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| ivaylo stefanov volleyball player (b. 1973) |
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