Surname Клотс (Клотс 
, Cloots 
) , across the world, is quite a rare cognomen. The last name Клотс is characteristic of Western Europe, particularly Belgium, where it is quite a rare surname, Netherlands, where it is a rare surname, and France, where it is a very rare surname. Measured by absolute frequency, it is commonest in Western Europe, particularly Belgium, Netherlands, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Клотс | Russia |
| Cloots | Germany, France, United States, Netherlands, Belgium |