Cognomen بياك (Piak 
, بياك 
) , across the world, is a rare family name. The surname بياك is characteristic of Malaysia, where it is a rare surname, Singapore, and Hungary. Measured by absolute frequency, it is the most numerous in Malaysia, India, and Argentina. More prevalently, بياك is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Piak | Indonesia, Myanmar, India, Malaysia, Thailand |
| بياك | Palestinian Territory |