Family name Ngaih (Ngaih 
) , worldwide, is quite a rare last name. The surname Ngaih is characteristic of Myanmar, where it is quite a rare surname, Malaysia, where it is a rare surname, and India, where it is an extremely rare surname. Likewise, Ngaih is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngaih | Philippines, Malaysia, United States, Myanmar, India |