Family name Foursov (Фурсов 
, Foursov 
) , in all the world, is a common cognomen. The cognomen Foursov is characteristic of Eastern Europe, particularly Russia, where it is quite a rare surname, Ukraine, and Belarus. Not in comparison with a country's population, the name is most common in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Фурсов | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Foursov | Spain, United States, Argentina, France, Albania |
| mikhail vassilievich foursov Ph.D. University of Minnesota-Minneapolis 1999 |
|