Surname Kahoiwai (Kahoiwai 
) , all over the world, is a very rare last name. The last name Kahoiwai is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Very seldom, Kahoiwai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kahoiwai | United States |