Surname Ngoen (เงิน 
, Ngoen 
) , in the entire world, is a rare family name. The surname Ngoen is characteristic of South-eastern Asia, particularly Malaysia, where it is a very rare surname, Thailand, and Cambodia. Not in comparison with a country's population, this name is the most popular in South-eastern Asia, particularly Indonesia, Thailand, and Malaysia. Much more prevalently, Ngoen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เงิน | Thailand |
| Ngoen | Cambodia, China, Thailand, Malaysia, Indonesia |