Last name จุลกะสิทธิ์ (จุลกะสิทธิ์ 
) , globally, is an extremely rare cognomen. The surname จุลกะสิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| จุลกะสิทธิ์ | Thailand |