Family name Noothai (Noothai 
) , in the world, is a rare cognomen. The surname Noothai is habitual in Thailand, where it is a rare surname, and South Africa, where it is a very rare surname. Very seldom, Noothai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Noothai | Thailand, South Africa |