Surname לן (Lan 
, Len , Lehn 
) , across the world, is a widespread last name. The family name לן is characteristic of Malaysia, where it is a common surname, Macao, and Vietnam, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is commonest in China, Malaysia, and Vietnam. Very seldom, לן is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Len, Lan | Myanmar, Vietnam, Indonesia, Malaysia, China |
| Lehn | Germany, Vietnam, France, United States, Malaysia |
| לן | Israel |