Family name Owsiak (Owsiak 
) , throughout the world, is quite a rare cognomen. The surname Owsiak is characteristic of Poland, where it is quite a rare surname, Denmark, where it is a rare surname, and Czechia. Measured by absolute frequency, this name is the most popular in Poland, the United States, and Canada. Also, Owsiak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Owsiak | Czechia, United States, Poland, Canada, Denmark |
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stanisław owsiak Polish economist, PL (b. 1946) |
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jerzy owsiak Polish journalist, PL (b. 1953) |
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| roman owsiak PL (b. 1936) |
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| zdzisława owsiak researcher |
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