Surname Niwasanon (Niwasanon 
) , in all the world, is a very rare family name. The surname Niwasanon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Niwasanon | Thailand |
Anawin, Khomkrit, Jeeranan, Weerapat, Nithatphong, and Pheeraphat