Surname Niammai (Niammai 
) , in all the world, is a very rare family name. The last name Niammai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Niammai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niammai | India, Thailand |
Wipawee, Thatsana, Phakathip, and Suthasinee