Last name Polajnar (Polajnar 
) , around the world, is a rare cognomen. The surname Polajnar is characteristic of Slovenia, where it is quite a common surname, Austria, where it is a rare surname, and Canada, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Slovenia, Austria, and Germany. Much less frequently, Polajnar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Polajnar | Germany, Austria, Slovenia, Canada, United States |
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ignac polajnar SI (b. 1948) |
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| anton polajnar Yugoslav politician, AT (b. 1921) |
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jernej polajnar Slovene biologist and Wikimedian, SI (b. 1980) |
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| ciril polajnar SI (b. 1921) |
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| andrej polajnar SI (b. 1944) |
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| jernej polajnar Canadian computer scientist, CA |
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| ivan polajnar SI |
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| miha polajnar SI |
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| mira polajnar SI |
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| anka polajnar SI |
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| matija polajnar SI (b. 1980) |
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| tanja polajnar SI |
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| ana marija polajnar SI |
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| vanja polajnar SI |
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| marko polajnar SI |
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