Surname Petrushkova (Petrushkova 
) , worldwide, is a very rare last name. The cognomen Petrushkova is habitual in Bulgaria, where it is a rare surname, Finland, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Petrushkova | Russia, Finland, Bulgaria, United States, Ukraine |