Family name จงฌาณสิทธิ์ (จงฌาณสิทธิ์ 
) , throughout the world, is an extremely rare cognomen. The cognomen จงฌาณสิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| จงฌาณสิทธิ์ | Thailand |