Surname Błaś (Błaś 
) , across the world, is a rare last name. The family name Błaś is characteristic of Eastern Europe, particularly Poland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Błaś | Poland |
| joanna błaś PL (b. 1926) |
|
|
| adam błaś PL (b. 1946) |
|
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| tomasz błaś PL (b. 1973) |
|