Family name ไซยรัตน์ (ไซยรัตน์ 
) , around the globe, is a very rare cognomen. The last name ไซยรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ไซยรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ไซยรัตน์ | Thailand |