Surname Дегтиаренко (Дегтиаренко 
, Degtiarenko 
, Degtyarenko 
) , across the world, is a rare cognomen. The family name Дегтиаренко is characteristic of Estonia, where it is a rare surname, Lithuania, and Romania. Not in comparison with a country's population, it is the most numerous in Russia, Romania, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Дегтиаренко | Russia |
| Degtiarenko | Lithuania, Canada, United States, Russia, Ukraine |
| Degtyarenko | Belarus, Estonia, Romania, United States, Russia |
Dehtiarenko, and Dehtyarenko