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 | Netherlands, United States, Germany, Somalia, Hungary |
| Gaál | Romania, United States, Germany, Slovakia, Hungary |
| Гааль | Russia, Kazakhstan, Ukraine |