Cognomen Munau (Munau 
) , worldwide, is a very rare family name. The cognomen Munau is characteristic of Malaysia, where it is a rare surname, India, where it is an extremely rare surname, and the United States. Predominantly, Munau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Munau | United States, India, Indonesia, Nigeria, Malaysia |