Cognomen Костыриа (Костыриа 
, Kostyria 
) , in all the world, is a rare last name. The last name Костыриа is characteristic of Poland, where it is a rare surname, Russia, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Костыриа | Russia |
| Kostyria | Poland, Canada, Ukraine |