In the world, Kaller (Kaller 
, Каллер 
) is a very rare mostly boy's, but seldom feminine first name. The first name Kaller is characteristic of Indonesia, where it is a very rare male name, and India, where it is an extremely rare unisex name. Much more prevalently, Kaller is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kaller | India, United States, Germany, Bosnia and Herzegovina, Austria |
| Каллер | Russia, Kazakhstan, Ukraine |