Last name Mhau (Mhau 
) , around the world, is a very rare family name. The cognomen Mhau is habitual in Myanmar, where it is a very rare surname, Malaysia, and India, where it is an extremely rare surname. Very seldom, Mhau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mhau | South Africa, Malaysia, Philippines, India, Myanmar |