Surname Гнатенко-Дай (Гнатенко-Дай 
) , all over the world, is an extremely rare cognomen. The last name Гнатенко-Дай is habitual in Eastern Europe, particularly Ukraine, where it is an extremely rare surname. Parts of the name also exists independently as a last name Гнатенко, and a last name Дай.
| VARIANT | COUNTRY |
|---|---|
| Гнатенко-Дай | Ukraine |