Surname Ianko (Янко 
, Ianko 
, Янько ) , across the world, is quite a common cognomen. The family name Ianko is characteristic of Eastern Europe, particularly Bulgaria, where it is quite a common surname, Ukraine, where it is quite a rare surname, and Belarus. Measured by absolute frequency, this name is the most popular in Eastern Europe, particularly Bulgaria, Ukraine, and Russia. Also, Ianko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Янко | Ukraine, Kazakhstan, Belarus, Bulgaria, Russia |
| Ianko | Romania, Greece, Spain, Bulgaria, Czechia |
| Янько | Kazakhstan, Russia, Ukraine |
| rivka ianko Victim of the Holocaust, RO (b. 1898) |
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| andrei ianko Romanian amateur wrestler, RO (b. 1958) |
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