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