Surname ตั๋น (Tan 
, ตั๋น) , throughout the world, is a prevalent cognomen. The surname ตั๋น is habitual in Singapore, where it is a prevalent surname, Malaysia, where it is a widespread surname, and Bermuda (explore the name in all countries). Not in comparison with a country's population, the name is most common in China, Malaysia, and Singapore. Much less frequently, ตั๋น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tan | Philippines, Singapore, Indonesia, Malaysia, China |