Cognomen ใยไหม (Silk 
, ใยไหม 
) , around the world, is quite a common last name. The cognomen ใยไหม is characteristic of Marshall Islands, where it is a common surname, Guernsey, where it is quite a common surname, and Australia, where it is quite a rare surname. In absolute terms, it most frequently occurs in the United States, the United Kingdom, and Australia. Much less frequently, ใยไหม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silk | Australia, Myanmar, Canada, United Kingdom, United States |
| ใยไหม | Thailand |