Cognomen Gačnik (Gačnik 
) , around the globe, is a rare last name. The family name Gačnik is habitual in Southern Europe, particularly Slovenia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gačnik | Slovenia |
| matija gačnik SI (b. 1580) |
|
|
| france gačnik SI (b. 1927) |
|
|
| aleš gačnik Slovene ethnologist, SI (b. 1963) |
|
|
| stanka gačnik SI (b. 1963) |
|
|
| neda gačnik Slovene model, SI (b. 1980) |
|
|
| mateja gačnik SI (b. 1979) |
|
|
| franci gačnik SI |
|
|
| lojze gačnik SI |
|
|
| ksenija šinigoj-gačnik SI |
|
|
| dejan gačnik SI |
|
|
| albin gačnik SI |
|
|
| franc gačnik SI |
|
|
| darja gačnik SI (b. 1993) |
|
|
| jan gačnik SI (b. 1994) |
|
|
| saša gačnik SI (b. 1994) |
|