Surname Клейнс (Клейнс 
) , in the entire world, is a very rare last name. The family name Клейнс is characteristic of Eastern Europe, particularly Ukraine, where it is an extremely rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Клейнс | Russia, Ukraine |
| клейнс, мартиньш Latvian camera operator (1938-2014), LV (b. 1938) |
|