Last name Isao-Daka (Isao-Daka 
) , around the world, is an extremely rare surname. Much more prevalently, Isao-Daka is the forename as well as the last name. Parts of the name also exists independently as a first name Isao, and a last name Daka.
| VARIANT | COUNTRY |
|---|---|
| Isao-Daka | Japan |