Surname Гааль (Gaal 
, Gaál 
, Гааль 
) , in all the world, is a common last name. The cognomen Гааль is characteristic of Hungary, where it is quite a common surname, Netherlands, where it is quite a rare surname, and Slovakia. Not in comparison with a country's population, the name is most common in Hungary, Netherlands, and the United States. Much less frequently, Гааль is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaal | Germany, Netherlands, United States, Hungary, Somalia |
| Gaál | Germany, Slovakia, United States, Hungary, Romania |
| Гааль | Ukraine, Russia, Kazakhstan |