Cognomen Proier (Pryer 
, Proier 
) , in the world, is quite a rare surname. The family name Proier is habitual in the United Kingdom, where it is a rare surname, Australia, and Austria. Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Pryer | Canada, New Zealand, Australia, United States, United Kingdom |
| Proier | Austria, Russia |