Cognomen ไสรเพ็ชร (ไสรเพ็ชร 
) , in the entire world, is an extremely rare surname. The last name ไสรเพ็ชร is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไสรเพ็ชร | Thailand |
ประชา, and ฤทัยกาญจน์