Cognomen หงอ (Ngo 
, หงอ 
) , in all the world, is a widespread last name. The surname หงอ is characteristic of Macao, where it is quite a common surname, Vietnam, and Malaysia (explore the name in all countries). Measured by absolute frequency, it is commonest in Vietnam, the United States, and Malaysia. Much less frequently, หงอ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngo | Cameroon, Vietnam, United States, Malaysia, Democratic Republic of the Congo |
| หงอ | Thailand |