Cognomen Khosaka (Khosaka 
) , in the entire world, is a very rare surname. The last name Khosaka is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Khosaka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khosaka | India, Thailand |