Last name Ngàn (Ngàn 
) , in all the world, is a rare cognomen. The cognomen Ngàn is characteristic of South-eastern Asia, particularly Vietnam, where it is a rare surname. Much less frequently, Ngàn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngàn | Vietnam |
| ngàn phương loan VN (b. 1988) |
|