Family name Γιαννάκου (Giannakou 
, Γιαννάκου, Yannaku 
) , across the world, is quite a rare last name. The family name Γιαννάκου is characteristic of Cyprus, where it is quite a common surname, Greece, and Bulgaria, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Giannakou | Germany, Cyprus, United Kingdom, Canada, Greece |
| Yannaku | Bulgaria |
|
μάριος γιαννάκου Ultra-distance runner, GR (b. 1992) |
|
| μαριέττα γιαννάκου Greek politician, GR (b. 1951) |
|
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| ντίνα γιαννάκου Greek actress, GR |
|