Cognomen Pruenster (Pruenster 
) , all over the world, is a rare family name. The cognomen Pruenster is habitual in Liechtenstein, where it is quite a rare surname, Austria, and Italy, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Austria, Italy, and Spain.
| VARIANT | COUNTRY |
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| Pruenster | Germany, Italy, Austria, Spain, Canada |
| klaus pruenster Austrian actor and songwriter, AT (b. 1957) |
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| kelvin pruenster Canadian gridiron football player (born 1960) (b. 1960) |
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| igor pruenster statistician |
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| klaus pruenster |
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