Cognomen Ryzhonkova (Ryzhonkova 
, Рыжонкова 
) , in all the world, is a rare surname. The family name Ryzhonkova is characteristic of Russia, where it is a rare surname, Belarus, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ryzhonkova | United States, Russia |
| Рыжонкова | Belarus, Ukraine, Russia, Kazakhstan |