Family name Kambuya (Kambuya 
) , worldwide, is a rare last name. The last name Kambuya is habitual in the Democratic Republic of the Congo, where it is a rare surname, Tanzania, where it is a very rare surname, and Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kambuya | Democratic Republic of the Congo, Thailand, United States, Tanzania |