Surname Klagiss (Klagiss 
) , around the globe, is a rare family name. The last name Klagiss is habitual in Latvia, where it is quite a rare surname, Lithuania, where it is a rare surname, and Germany, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Latvia, Lithuania, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Klagiss | Germany, Lithuania, United States, Latvia |