Cognomen Deoka (Deoka 
) , across the world, is quite a rare family name. The surname Deoka is characteristic of Japan, where it is quite a rare surname, and India, where it is an extremely rare surname. Very seldom, Deoka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deoka | Japan, India, South Africa, United States |