Surname Shlemko (Shlemko 
) , globally, is a very rare family name. The cognomen Shlemko is habitual in Estonia, where it is a rare surname, Lithuania, and Romania. Not in comparison with a country's population, it is commonest in Romania, Estonia, and Italy.
| VARIANT | COUNTRY |
|---|---|
| Shlemko | Italy, Spain, Estonia, Lithuania, Romania |