Surname แซ่ลั่น (Surname 
, แซ่ลั่น) , in all the world, is a rare family name. The family name แซ่ลั่น is habitual in Northern Europe, particularly Estonia, where it is quite a rare surname, Latvia, and Lithuania. Not in comparison with a country's population, it is the most numerous in Uzbekistan, Lithuania, and Latvia. Very seldom, แซ่ลั่น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Surname | Latvia, Australia, India, Uzbekistan, Lithuania |