Last name Gatnik (Gatnik 
) , across the world, is a very rare surname. The family name Gatnik is habitual in Slovenia, where it is quite a rare surname, Israel, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Gatnik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gatnik | Russia, Italy, United States, Slovenia, Israel |
| maks gatnik SI (b. 1910) |
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| kostja gatnik painter and illustrator, SI (b. 1945) |
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| mojca fuart gatnik SI |
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