Family name จุลาสัย (จุลาสัย 
) , all over the world, is a very rare cognomen. The last name จุลาสัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| จุลาสัย | Thailand |
| บัณฑิต จุลาสัย Thai writer, TH (b. 1952) |
|