Family name Eimsiri (Eimsiri 
) , all around the world, is an extremely rare cognomen. The cognomen Eimsiri is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Eimsiri | Thailand |
เอมศิริ, and เอิ่อมศิริ