Family name Kursakov (Kursakov 
) , in the world, is a rare last name. The family name Kursakov is habitual in Estonia, where it is quite a rare surname, Belarus, where it is a rare surname, and Belgium. Measured by absolute frequency, it is commonest in Russia, Belarus, and Estonia.
| VARIANT | COUNTRY |
|---|---|
| Kursakov | Norway, Russia, Belgium, Estonia, Belarus |