Cognomen Gyongyosy (Gyongyosy 
) , around the world, is a very rare last name. The surname Gyongyosy is characteristic of Hungary, where it is a rare surname, Venezuela, where it is an extremely rare surname, and the United States. Much less frequently, Gyongyosy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gyongyosy | Venezuela, Hungary, United States |