Surname ใยศิริ (Yaisiri 
, ใยศิริ ) , in the entire world, is a very rare cognomen. The surname ใยศิริ is habitual in Thailand, where it is a very rare surname, Venezuela, and Mexico, where it is an extremely rare surname. Very seldom, ใยศิริ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yaisiri | Mexico, Venezuela, United States, Thailand |
| ใยศิริ | Thailand |