Family name เสด (Set 
, เสด 
, Sadeam 
) , across the world, is a common cognomen. The surname เสด 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, this name is the most popular in Myanmar, India, and Indonesia. Much less frequently, เสด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Set | Myanmar, Egypt, India, Indonesia, Guatemala |
| เสด | Thailand |
| Sadeam | Thailand, United States, India |