Cognomen Λιάκος (Λιάκος 
) , around the globe, is an extremely rare family name. The family name Λιάκος is habitual in Southern Europe, particularly Greece, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Λιάκος | Greece |
|
ευάγγελος λιάκος Greek MP, GR (b. 1989) |
|
| νίκος λιάκος Greek association football player, GR (b. 1956) |
|
|
| αντώνης λιάκος GR (b. 1947) |
|
|
| δημήτρης λιάκος Greek politician, GR (b. 1973) |
|
|
| νικόλαος λιάκος Greek from Euboea who took part in the Greek Revolution of 1821., GR |
|
|
| βασίλης λιάκος Greek actor, GR |
|
|
| αλέξιος λιάκος researcher, GR |
|
Γιάννης, and Κωνσταντίνος