Cognomen Виткович (Виткович 
, Vitkovich 
) , in all the world, is a very rare last name. The family name Виткович is characteristic of Eastern Europe, particularly Bulgaria, where it is a rare surname, Belarus, where it is a very rare surname, and Ukraine. Measured by absolute frequency, this name is the most popular in the United States, Russia, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Виткович | Russia, Ukraine, Bulgaria, Belarus |
| Vitkovich | Canada, South Africa, United States |
Vitkovitch, Vitkovič, Witkovich, and Witkowich