Around the globe, Kotnik (Kotnik 
) is an extremely rare unknown gender forename. Much more prevalently, Kotnik is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kotnik | Germany, Austria, United States, Sierra Leone, Slovenia |
| drago kotnik SI (b. 1927) |
|
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| bogdan kotnik SI (b. 1978) |
|
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| domen kotnik SI |
|
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| matic kotnik Slovenian footballer, SI (b. 1990) |
|