Surname เซ็ด (Set 
, เซ็ด 
) , all over the world, is a common cognomen. The family name เซ็ด is habitual in Myanmar, where it is quite a common surname, Guatemala, where it is quite a rare surname, and Botswana. Measured by absolute frequency, it most frequently occurs in Myanmar, India, and Indonesia. Very seldom, เซ็ด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Set | Indonesia, Myanmar, India, Egypt, Guatemala |
| เซ็ด | Thailand |