Family name Омельченко (Омельченко 
, Omelchenko 
, Omel'Chenko 
) , across the world, is a common cognomen. The last name Омельченко is habitual in Ukraine, where it is quite a common surname, British Virgin Islands, and Russia. Measured by absolute frequency, it is the most numerous in Ukraine, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Омельченко | Ukraine, Belarus, Russia, Kyrgyzstan, Kazakhstan |
| Omelchenko | Ukraine, Serbia, Canada, Russia, United States |
| Omel'Chenko | Bulgaria, Belarus, Russia |
| Omeltchenko | United States, France, South Africa, Germany |
Omelczenko, and Омелченко
|
омельченко, фёдор захарович UA (b. 1865) |
|
|
омельченко антон лукич Ukrainian researcher of Antarctica (1883–1932), UA (b. 1883) |
|
|
омельченко, василий иванович UA (b. 1918) |
|
|
омельченко, николай григорьевич politician, UA (b. 1936) |
|
|
олександр олександрович омельченко Ukrainian politician, UA (b. 1938) |
|
| омельченко петро Ukrainian painter, UA (b. 1894) |
|
|
|
омельченко, григорий емельянович Ukrainian politician, UA (b. 1951) |
|
| омельченко тиміш петрович UA (b. 1895) |
|
|
|
омельченко, валерий викторович Russian politician, RU (b. 1961) |
|
| омельченко, яков андреевич RU (b. 1905) |
|
|
| омельченко федора семенівна Soviet politician, UA (b. 1916) |
|
|
|
омельченко олександр олександрович politician, UA (b. 1968) |
|
| григорій микитович омельченко UA (b. 1911) |
|
|
|
юрій омельченко Ukrainian orienteer, UA (b. 1971) |
|
| омельченко, лев евгеньевич Ukrainian chess player, RU (b. 1922) |
|