Cognomen Rongkapan (Rongkapan 
) , around the globe, is a very rare family name. The last name Rongkapan is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Rongkapan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rongkapan | United States, Thailand |