Last name Bosiak (Bosiak 
, Босяк 
) , around the globe, is a rare family name. The family name Bosiak is habitual in Eastern Europe, particularly Slovakia, where it is quite a rare surname, Poland, where it is a rare surname, and Ukraine. Also, Bosiak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bosiak | Slovakia, United States, Spain, Poland, Canada |
| Босяк | Ukraine, Russia, Kyrgyzstan, Kazakhstan |
| wanda zofia bosiak (b. 1918) |
|
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| beth bosiak researcher |
|