Cognomen Grabchenko (Grabchenko 
) , across the world, is a very rare last name. The surname Grabchenko is habitual in Lithuania, where it is a rare surname, Georgia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Lithuania, the United States, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Grabchenko | Russia, Georgia, United States, Ukraine, Lithuania |