In the world, Гислер (Gisler 
, Gysler 
, Guisler 
) is a very rare predominantly boy's, but scarcely girly first name. The given name Гислер is characteristic of Switzerland, where it is a rare boy's name, Tanzania, where it is a very rare masculine name, and Brazil, where it is an extremely rare mostly boy's, but infrequently feminine name. More frequently, Гислер is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gisler | Brazil, Switzerland, Argentina, United States, Germany |
| Gysler | Brazil, Switzerland, Canada, United States, Germany |
| Guisler | Brazil, Ecuador, Mexico, United States |
| Гислер | Russia, Kazakhstan, Ukraine |