Family name Omelczenko (Omelczenko 
) , in the world, is a very rare surname. The last name Omelczenko is habitual in Argentina, where it is an extremely rare surname, Canada, and the United States. More prevalently, Omelczenko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Omelczenko | Canada, Poland, Argentina, United States |