Cognomen สไม (Samai 
, สไม ) , in the entire world, is a common last name. The family name สไม is characteristic of Sierra Leone, where it is quite a rare surname, Laos, and Trinidad and Tobago. Measured by absolute frequency, it is the most numerous in India, Algeria, and Sierra Leone. Likewise, สไม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Samai | Sierra Leone, Laos, Algeria, Thailand, India |
| สไม | Thailand |