Last name หงษ์สิทธิ (หงษ์สิทธิ 
) , in all the world, is an extremely rare family name. The surname หงษ์สิทธิ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| หงษ์สิทธิ | Thailand |