Surname Маркку (Markku 
, Маркку 
) , in all the world, is a rare family name. The last name Маркку is habitual in Finland, where it is quite a rare surname, Sweden, where it is a rare surname, and Czechia. In absolute terms, it most frequently occurs in Finland, Spain, and China. Predominantly, Маркку is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Markku | Germany, Sweden, Finland, India, United States |
| Маркку | Ukraine, Russia |