Family name Prosiński (Prosiński 
) , worldwide, is a very rare surname. The cognomen Prosiński is habitual in Eastern Europe, particularly Poland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prosiński | Poland |
| stanisław prosiński Polish chemist, PL (b. 1912) |
|
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| jacek prosiński PL (b. 1946) |
|
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| jan prosiński Polish actor, PL (b. 1984) |
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