Cognomen Bortnick (Bortnick 
) , all over the world, is a rare surname. The surname Bortnick is habitual in Canada, where it is a rare surname, the United States, and Chile, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bortnick | Canada, Argentina, Chile, United States, Israel |
|
avi bortnick American musician, US (b. 1963) |
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| alexandra bortnick researcher |
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| eric bortnick researcher |
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| steven mark bortnick Ph.D. The Ohio State University 1999 |
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| anna bortnick researcher (ORCID 0000-0001-7983-5243) |
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| ethan bortnick Musician, composer, actor, US |
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