Family name حاو (Hao 
, حاو) , all around the world, is a widespread surname. The cognomen حاو is characteristic of Malaysia, where it is a common surname, Macao, where it is quite a common surname, and Cayman Islands (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in China, Malaysia, and Vietnam. Very seldom, حاو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hao | Philippines, Vietnam, United States, Malaysia, China |