Cognomen นภาธารา (Napathara 
, Nabhadhra , นภาธารา ) , all around the world, is an extremely rare last name. The surname นภาธารา is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, นภาธารา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Napathara | United States, Thailand |
| Nabhadhra, นภาธารา | Thailand |