Surname Okupniak (Okupniak 
) , across the world, is a rare last name. The family name Okupniak is habitual in Israel, where it is a rare surname, Poland, and Germany, where it is a very rare surname. Likewise, Okupniak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Okupniak | Germany, Poland, United States, Israel, United Kingdom |
| werner okupniak German association football player, DE (b. 1940) |
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