Family name Tangsajjatham (Tangsajjatham 
) , across the world, is a very rare surname. The cognomen Tangsajjatham is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tangsajjatham | Thailand |
Narong, Charoon, Pornchinee, Nathapong, and Natthapat