Last name Ostretsova (Острецова 
, Ostretsova 
) , all around the world, is quite a rare family name. The surname Ostretsova is characteristic of Russia, where it is a rare surname, Kazakhstan, and Bulgaria. Not in comparison with a country's population, it is the most numerous in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Острецова | Bulgaria, Belarus, Kazakhstan, Russia, Ukraine |
| Ostretsova | Russia, Colombia, United States, Ukraine |