Cognomen Hau-Kautai (Hau-Kautai 
) , around the globe, is an extremely rare family name. The surname Hau-Kautai 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 last name Hau, and a last name Kautai.
| VARIANT | COUNTRY |
|---|---|
| Hau-Kautai | United States |