Cognomen ง่อ (Ngo 
, ง่อ) , around the globe, is a widespread surname. The cognomen ง่อ is habitual in Macao, where it is quite a common surname, Vietnam, and Malaysia (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Vietnam, the United States, and Malaysia. Much less frequently, ง่อ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngo | Vietnam, Cameroon, United States, Democratic Republic of the Congo, Malaysia |