Surname Brdnik (Brdnik 
) , around the globe, is a rare cognomen. The cognomen Brdnik is characteristic of Slovenia, where it is quite a common surname, Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Brdnik | Slovenia, Australia, United States |
| majda brdnik SI (b. 1958) |
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| anita prapotnik brdnik SI (b. 1977) |
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| janez brdnik SI |
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| monika brdnik SI |
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| saša brdnik SI |
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