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 | Russia, United States, Canada, Ukraine, Lithuania |
| Degtyarenko | Romania, Russia, Estonia, Belarus, United States |
Dehtiarenko, and Dehtyarenko