Last name แซ่ด่าน (Saedan 
, แซ่ด่าน, Sae Dan ) , all over the world, is quite a rare surname. The last name แซ่ด่าน is habitual in Bahrain, where it is quite a rare surname, Thailand, and Saudi Arabia. Measured by absolute frequency, it is the most numerous in Thailand, Saudi Arabia, and Malaysia. Very seldom, แซ่ด่าน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saedan | Thailand, India, Indonesia, Malaysia, Saudi Arabia |
| Sae Dan | Thailand, Indonesia |