Family name ไสม (Samai 
, ไสม ) , worldwide, is a common surname. The cognomen ไสม is characteristic of Sierra Leone, where it is quite a rare surname, Laos, and Trinidad and Tobago. In absolute terms, it is the most numerous in India, Algeria, and Sierra Leone. Also, ไสม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Samai | Thailand, Sierra Leone, Laos, India, Algeria |
| ไสม | Thailand |