Last name Кумпулаинен (Кумпулаинен 
) , all over the world, is an extremely rare surname. The last name Кумпулаинен is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Кумпулаинен | Russia |
Kumpulainen, and Kumpulaynen