Surname ฉายัษเฐียร (ฉายัษเฐียร 
) , in all the world, is a very rare last name. The cognomen ฉายัษเฐียร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฉายัษเฐียร | Thailand |
| นิธินันท์ ฉายัษเฐียร TH (b. 1990) |
|