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Worldwide, Gisler (Gisler
, Гислер
) is a very rare principally male, but scarcely girly forename. The first name Gisler is characteristic of Switzerland, where it is a rare masculine name, Tanzania, where it is a very rare male name, and Brazil, where it is an extremely rare mostly male, but infrequently feminine name. More frequently, Gisler is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gisler | Brazil, Switzerland, United States, Argentina, Germany |
| Гислер | Kazakhstan, Russia, Ukraine |