Last name Sayau (Sayau 
) , in the entire world, is a rare cognomen. The surname Sayau is habitual in Malaysia, where it is a rare surname, Nigeria, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Sayau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sayau | Malaysia, India, Nigeria |