Surname Грамматопуло (Грамматопуло 
, Grammatopoulo 
) , all over the world, is a very rare cognomen. The surname Грамматопуло is habitual in Belarus, where it is a rare surname, Switzerland, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Грамматопуло | Russia, Ukraine, Belarus |
| Grammatopoulo | Switzerland |