Cognomen Holovacko (Holovacko 
) , throughout the world, is a very rare surname. The family name Holovacko is habitual in Czechia, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Holovacko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Holovacko | Czechia, United States, Spain |