Family name Kainoa-Gabriel (Kainoa-Gabriel 
) , across the world, is an extremely rare surname. The cognomen Kainoa-Gabriel is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a first name Kainoa, and a first name Gabriel.
| VARIANT | COUNTRY |
|---|---|
| Kainoa-Gabriel | United States |