Around the globe, Хайденко (Хайденко 
, Haidenko , Hajdenko 
) is an extremely rare unknown gender forename. Much more frequently, Хайденко is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Хайденко | Russia, Ukraine |
| Haidenko | Ukraine |
| Hajdenko | France |