Family name Hanoa (Hanoa 
) , in the entire world, is a rare surname. The cognomen Hanoa is habitual in Norway, where it is quite a rare surname, Morocco, where it is a rare surname, and Taiwan. Very seldom, Hanoa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hanoa | Norway, Morocco, Egypt, Taiwan, United States |