Surname Doukakos (Doukakos 
) , all over the world, is a very rare last name. The cognomen Doukakos is habitual in Greece, where it is a rare surname, Croatia, where it is a very rare surname, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Greece, the United States, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Doukakos | Germany, Croatia, United States, Greece, Brazil |