Cognomen ลายสาร (ลายสาร 
) , all over the world, is a very rare surname. The surname ลายสาร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ลายสาร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ลายสาร | Thailand |