All around the world, Failu (Failu 
) is a rare predominantly masculine, but very seldom girly first name. The first name Failu is habitual in Tanzania, where it is a very rare masculine name, and India, where it is a very rare mostly masculine, but infrequently feminine name. Very seldom, Failu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Failu | Tanzania, Brazil, India, Indonesia, Nigeria |