Family name Ngieng (Ngieng 
) , all over the world, is a rare last name. The cognomen Ngieng is habitual in Malaysia, where it is quite a rare surname, Singapore, and Australia, where it is a rare surname. Also, Ngieng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngieng | Singapore, Malaysia, Taiwan, Australia, China |