Family name Gyugyi (Gyugyi 
) , in all the world, is a rare surname. The cognomen Gyugyi is characteristic of Hungary, where it is quite a rare surname, the United Kingdom, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, the name is most common in Hungary, the United States, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Gyugyi | United States, Canada, Hungary, United Kingdom |