In the entire world, Kaszt (Casta 
, Castus 
, Kaste 
) is quite a rare epicene forename. The given name Kaszt is habitual in Nicaragua, where it is quite a rare female name, Bolivia, and Tanzania, where it is quite a rare unisex name. Measured by absolute frequency, this name is the most popular in Tanzania, India, and Nicaragua. Also, Kaszt is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Casta | France, Venezuela, India, Colombia, Philippines |
| Castus | Belgium, France, Brazil, Tanzania, United States |
| Kaste | Mexico, United States, India, Colombia, Germany |
| Kaszt | Israel, Hungary |