Surname Thongsalup (Thongsalup 
) , in all the world, is a very rare last name. The last name Thongsalup is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thongsalup | Thailand |
| patiwat thongsalup Thai taekwondoin, TH |
|