Surname Layau (Layau 
) , worldwide, is a rare cognomen. The cognomen Layau is habitual in Malaysia, where it is a rare surname, Indonesia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Much less frequently, Layau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Layau | Indonesia, Malaysia, Nigeria, United States, India |