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