Surname Troyanenko (Troyanenko 
, Трояненко 
) , all over the world, is a rare family name. The surname Troyanenko is habitual in Ukraine, where it is a rare surname, Belarus, and Kazakhstan, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Troyanenko | Russia |
| Трояненко | Kazakhstan, Russia, Georgia, Belarus, Ukraine |