Throughout the world, Ngọc Lan (Ngọc Lan 
) is a very rare girly first name. The first name Ngọc Lan is habitual in South-eastern Asia, particularly Vietnam, where it is a very rare feminine name. Likewise, Ngọc Lan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ngọc Lan | Japan, Vietnam |