Family name เซง (Seng 
, Tseng 
, เซง 
) , in the world, is a widespread cognomen. The surname เซง is characteristic of Malaysia, where it is a widespread surname, Mongolia, where it is a common surname, and Taiwan, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Malaysia, Myanmar, and Taiwan. Much less frequently, เซง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seng | Malaysia, China, United States, Mongolia, Myanmar |
| Tseng | Malaysia, China, United States, Myanmar, Taiwan |
| เซง | Thailand |
| Seeseng | Malaysia, Thailand |