Family name גנאנאו (גנאנאו 
) , in the world, is a very rare cognomen. The family name גנאנאו is characteristic of Western Asia, particularly Israel, where it is a rare surname. Very seldom, גנאנאו is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| גנאנאו | Israel |