Surname Tumko (Tumko 
, Тумко 
) , throughout the world, is quite a rare family name. The family name Tumko is characteristic of Ukraine, where it is quite a rare surname, Lithuania, where it is a rare surname, and Russia. Measured by absolute frequency, it is commonest in Russia, Ukraine, and Kazakhstan. Very seldom, Tumko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tumko | Hungary, Russia, Myanmar, Lithuania, India |
| Тумко | Kyrgyzstan, Kazakhstan, Belarus, Ukraine, Russia |