All over the world, Γιαννάκης (Yiannakis 
, Giannakis , Yannakis 
) is a rare male first name. The forename Γιαννάκης is habitual in Cyprus, where it is quite a common masculine name, Greece, where it is quite a rare masculine name, and the United Kingdom, where it is a very rare principally boy's, but scarcely female name. More frequently, Γιαννάκης is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Yiannakis, Giannakis | Australia, Malawi, Greece, United States, Cyprus |
| Yannakis | Australia, Germany, United Kingdom, Greece, United States |
| Γιαννάκης | Greece |