Cognomen Пиллер (Piller 
, Пиллер 
) , in all the world, is a common last name. The last name Пиллер is characteristic of Hungary, where it is quite a common surname, Switzerland, and Estonia. Not in comparison with a country's population, this name is the most popular in Germany, Hungary, and Switzerland. Very seldom, Пиллер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Piller | Switzerland, United States, Germany, Austria, Hungary |
| Пиллер | Russia, Kazakhstan, Belarus |