Family name Гислер (Gisler 
, Gysler 
, Guisler 
) , in the world, is quite a common cognomen. The surname Гислер is habitual in Switzerland, where it is quite a common surname, Liechtenstein, and Suriname, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Switzerland, the United States, and Argentina. Very seldom, Гислер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gisler | Germany, Switzerland, United States, Argentina, Brazil |
| Gysler | Germany, Switzerland, United States, Canada, Brazil |
| Guisler | Mexico, Brazil, United States, Ecuador |
| Гислер | Kazakhstan, Russia, Ukraine |