Surname ต่าน (Tan 
, ต่าน) , in the entire world, is a prevalent family name. The last name ต่าน 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, it is the most numerous in China, Malaysia, and Singapore. Much less frequently, ต่าน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tan | Indonesia, Philippines, China, Singapore, Malaysia |