Surname เจียระนัย (Jiaranai 
, เจียระนัย , Chiaranai ) , throughout the world, is a rare family name. The cognomen เจียระนัย is characteristic of Thailand, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Also, เจียระนัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jiaranai | United States, Thailand, Germany |
| เจียระนัย | Thailand |
| Chiaranai | Thailand, United States |