Surname Джулаи (Джулаи 
, Djulai 
, Djoulai 
) , around the globe, is a rare family name. The family name Джулаи is characteristic of Serbia, where it is a rare surname, New Zealand, and Hungary, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Indonesia, Serbia, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Джулаи | Russia |
| Djulai | Serbia, Indonesia, Hungary |
| Djoulai | New Zealand |
| Dzhulay | Italy, Russia, Ukraine, United States |