Cognomen Haiani (Haiani 
) , all around the world, is a very rare surname. The family name Haiani is habitual in Morocco, where it is a rare surname, Canada, where it is an extremely rare surname, and Brazil. Much less frequently, Haiani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Haiani | Canada, Brazil, Morocco |