Cognomen Kopla (Koppel 
, Kopla 
) , in the entire world, is quite a common family name. The surname Kopla is habitual in Estonia, where it is a common surname, Switzerland, where it is quite a common surname, and Denmark, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Estonia, Switzerland, and the United States. Much less frequently, Kopla is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koppel | Germany, Colombia, Estonia, United States, Switzerland |
| Kopla | Spain, Cameroon, United States, India, Indonesia |