Surname น้ำว้า (Namwa 
, Namwad , น้ำว้า) , across the world, is a rare family name. The last name น้ำว้า is habitual in Thailand, where it is a rare surname, India, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Much less frequently, น้ำว้า is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Namwa | India, Nigeria, Thailand |
| Namwad | India, Thailand |
Namwaa, and Waemaropaning