Cognomen Kugrens (Kugrens 
) , worldwide, is a very rare surname. The family name Kugrens is characteristic of Latvia, where it is quite a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kugrens | United States, Latvia |
| paul kugrens botanist (b. 1942) |
|