Cognomen Мартикайнен (Martikainen 
, Мартикайнен 
) , all around the world, is quite a common last name. The family name Мартикайнен is habitual in Northern Europe, particularly Finland, where it is quite a common surname, Estonia, where it is quite a rare surname, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Martikainen | Estonia, United States, Sweden, Germany, Finland |
| Мартикайнен | Russia, Ukraine |