Surname Kohtanen (Kohtanen 
) , all over the world, is a rare family name. The cognomen Kohtanen is characteristic of Finland, where it is quite a rare surname, Latvia, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kohtanen | Latvia, Finland, United States, Germany |
|
väinö kohtanen (b. 1889) |
|