Family name Fainu (Fainu 
) , globally, is a very rare surname. The family name Fainu is habitual in New Zealand, where it is a rare surname, Malaysia, and Australia, where it is a very rare surname. Likewise, Fainu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fainu | Malaysia, Australia, United States, India, New Zealand |
|
manase fainu Australian rugby league footballer, AU (b. 1998) |
|