Cognomen Ryzhakova (Рыжакова 
, Ryzhakova 
) , globally, is quite a rare last name. The surname Ryzhakova is characteristic of Russia, where it is quite a rare surname, Azerbaijan, and Belarus, where it is a rare surname. In absolute terms, the name is most common in Russia, Azerbaijan, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Рыжакова | Azerbaijan, Kazakhstan, Russia, Kyrgyzstan, Belarus |
| Ryzhakova | Russia, United States |