Cognomen Kaukis (Kaukis 
) , worldwide, is a very rare last name. The surname Kaukis is characteristic of Northern Europe, particularly Latvia, where it is quite a rare surname, Estonia, where it is a rare surname, and Norway, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Latvia, the United Kingdom, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kaukis | Norway, United Kingdom, Estonia, United States, Latvia |