Family name Opęchowski (Opęchowski 
) , all over the world, is a very rare surname. The cognomen Opęchowski is habitual in Eastern Europe, particularly Poland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Opęchowski | Poland |
| władysław opęchowski Polish physicist (1911-1993), PL (b. 1911) |
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| wiesław opęchowski Polish politician and deputy, PL (b. 1949) |
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