In all the world, หลาน (Lan 
, Lhan 
, หลาน 
) is a common unisex first name. The first name หลาน is characteristic of Macao, where it is a common primarily girly, but very infrequently male name, Hong Kong, where it is quite a common predominantly female, but very infrequently masculine name, and Israel (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Vietnam, the United States, and China. More frequently, หลาน is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Lan | Malaysia, China, Indonesia, Vietnam, Myanmar |
| Lhan | Malaysia, China, Indonesia, India, Myanmar |
| หลาน | Thailand |
หลาน is also a name for the fictitious and mythical characters: Lan Mandragoran , the fictional character from The Wheel of Time; Lan Fan , the fictional character from Fullmetal Alchemist, Fullmetal Alchemist: Brotherhood and Lan Hikari .