Cognomen Яфасова (Яфасова 
) , in the entire world, is a rare last name. The cognomen Яфасова is habitual in Uzbekistan, where it is a rare surname, Belarus, where it is a very rare surname, and Kazakhstan. Measured by absolute frequency, it is commonest in Uzbekistan, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Яфасова | Uzbekistan, Kazakhstan, Russia, Kyrgyzstan, Belarus |