Family name اولاه (Olah 
, اولاه) , worldwide, is a common cognomen. The surname اولاه is habitual in Eastern Europe, particularly Hungary, where it is a common surname, Slovakia, where it is quite a common surname, and Romania. Not in comparison with a country's population, this name is the most popular in Hungary, Romania, and the United States. Very seldom, اولاه is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olah | Romania, Hungary, Slovakia, United States, Nigeria |