Cognomen งัน (Ngan 
, งัน 
, Ngand 
) , throughout the world, is a common last name. The surname งัน is habitual in Hong Kong, where it is a common surname, Macao, where it is quite a common surname, and Bermuda (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Hong Kong, Vietnam, and Malaysia. Likewise, งัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngan | Hong Kong, Taiwan, Vietnam, Cameroon, Malaysia |
| งัน | Thailand |
| Ngand | Canada, China |
เกาฮง, จิตสุภานันท์, and ศรีละพันธ์