Cognomen Костурков (Костурков 
, Kosturkov 
) , all over the world, is a rare surname. The surname Костурков is characteristic of Bulgaria, where it is quite a common surname, Germany, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Костурков | Bulgaria, Ukraine |
| Kosturkov | Bulgaria, United Kingdom, Germany, United States |
| стоян костурков BG (b. 1866) |
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йордан костурков Bulgarian writer and translator, BG (b. 1948) |
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| пенчо костурков BG (b. 1899) |
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| илия костурков BG (b. 1907) |
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| петър костурков Bulgarian association football player, BG (b. 1969) |
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