Surname สมัน (Smile 
, Saman 
, Sman 
) , in the world, is a widespread cognomen. The family name สมัน is habitual in Myanmar, where it is a common surname, Egypt, where it is quite a common surname, and Brunei (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Myanmar, Egypt, and Indonesia. Also, สมัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Smile | China, Myanmar, Iraq, Egypt, Indonesia |
| Saman | Myanmar, Sri Lanka, Iraq, Egypt, Indonesia |
| Sman | China, Myanmar, India, Egypt, Indonesia |
| สมัน | Thailand |