Surname Gennadopoulos (Gennadopoulos 
) , all around the world, is a rare cognomen. The last name Gennadopoulos is habitual in Greece, where it is quite a rare surname, the United States, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Gennadopoulos | Brazil, United States, United Kingdom, Greece |