Cognomen Kalviskis (Kalviskis 
) , worldwide, is a very rare family name. The family name Kalviskis is characteristic of Northern Europe, particularly Latvia, where it is quite a rare surname, Lithuania, where it is a rare surname, and Estonia. Measured by absolute frequency, this name is the most popular in Latvia, Lithuania, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Kalviskis | Australia, Estonia, Lithuania, Latvia |