Surname Rasiowa (Rasiowa, Рашова 
) , globally, is a rare cognomen. The family name Rasiowa is characteristic of Bulgaria, where it is a rare surname, Kyrgyzstan, and Kazakhstan. Measured by absolute frequency, it is the most numerous in Kazakhstan, Russia, and Bulgaria.
| VARIANT | COUNTRY |
|---|---|
| Рашова | Kazakhstan, Russia, Bulgaria, Kyrgyzstan, Ukraine |
| helena rasiowa Polish mathematician (1917-1994), PL (b. 1917) |
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