Cognomen Bildanova (Bildanova 
, Билданова 
, Бильданова 
) , globally, is a rare last name. The cognomen Bildanova is characteristic of Russia, where it is a rare surname, Kazakhstan, and Kyrgyzstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bildanova | Russia |
| Билданова | Russia, Kazakhstan |
| Бильданова | Russia, Ukraine, Kazakhstan, Kyrgyzstan |