Last name Namhan (Namhan 
) , worldwide, is a very rare family name. The last name Namhan is habitual in Thailand, where it is a very rare surname, Brazil, where it is an extremely rare surname, and India. Very seldom, Namhan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Namhan | India, United States, Brazil, Thailand |