Cognomen Faii (Faii 
) , in all the world, is a rare surname. The cognomen Faii is habitual in Greece, where it is a rare surname, Malaysia, where it is a very rare surname, and Indonesia. Likewise, Faii is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Faii | Saudi Arabia, Myanmar, Greece, Indonesia, Thailand |