Cognomen Iachkova (Яшкова 
, Iachkova 
, Ячкова 
) , throughout the world, is quite a rare last name. The last name Iachkova is habitual in Russia, where it is quite a rare surname, Kazakhstan, and Belarus. In absolute terms, this name is the most popular in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Яшкова | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |
| Iachkova | United States, Greece, Russia |
| Ячкова | Kazakhstan, Ukraine, Russia, Bulgaria |