Cognomen Munnui (Munnui 
) , in all the world, is a rare family name. The cognomen Munnui is characteristic of Thailand, where it is a rare surname, and India, where it is an extremely rare surname. Much less frequently, Munnui is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Munnui | India, Thailand |