Cognomen アンナカ (アンナカ 
, Annaka 
) , in the world, is a very rare surname. The last name アンナカ is habitual in Netherlands, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. Much more prevalently, アンナカ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| アンナカ | Japan |
| Annaka | United Kingdom, Australia, Netherlands, United States, India |