Family name Giannetakis (Giannetakis 
) , all around the world, is a rare cognomen. The surname Giannetakis is characteristic of Greece, where it is a rare surname, Australia, where it is a very rare surname, and Italy, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Greece, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Giannetakis | South Africa, Italy, Australia, United States, Greece |