Surname Дока (Doka 
, Doca 
, Дока 
) , globally, is a common family name. The surname Дока is habitual in Albania, where it is quite a common surname, Hungary, and Japan. Not in comparison with a country's population, the name is most common in Japan, India, and Hungary. Very seldom, Дока is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Doka | Hungary, Albania, India, Nigeria, Japan |
| Doca | Romania, Philippines, Brazil, India, Nigeria |
| Дока | Ukraine, Kazakhstan, Bulgaria, Russia, Kyrgyzstan |