Cognomen Гостилович (Гостилович 
) , in all the world, is a rare family name. The last name Гостилович is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Гостилович | Russia, Ukraine, Belarus |