Surname ทรงไชย (ทรงไชย 
) , in all the world, is a very rare last name. The surname ทรงไชย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ทรงไชย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ทรงไชย | Thailand |