Surname Janprapha (Janprapha 
) , throughout the world, is an extremely rare cognomen. The last name Janprapha is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Also, Janprapha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janprapha | United States, Thailand |