Family name Zaiu (Zaiu 
) , throughout the world, is a rare last name. The family name Zaiu is habitual in Romania, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Canada, where it is an extremely rare surname. Much less frequently, Zaiu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zaiu | Canada, Malaysia, India, Japan, Romania |