Surname Nanuan (Nanuan 
) , in the entire world, is a rare cognomen. The cognomen Nanuan is characteristic of Thailand, where it is a rare surname, Canada, where it is a very rare surname, and Australia. Not in comparison with a country's population, it most frequently occurs in Thailand, India, and Canada. Much less frequently, Nanuan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nanuan | Australia, Thailand, Indonesia, India, Canada |