Last name Grammatikopoulo (Grammatikopoulo 
, Грамматикопуло 
) , globally, is a rare family name. The cognomen Grammatikopoulo is habitual in Kazakhstan, where it is a very rare surname, Greece, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Grammatikopoulo | United States, Greece |
| Грамматикопуло | Russia, Kazakhstan, Ukraine |