Surname จังหวัด (Chounlamountry 
, จังหวัด 
, Jangwad 
) , around the globe, is quite a rare family name. The family name จังหวัด is habitual in Laos, where it is quite a common surname, Thailand, where it is a rare surname, and Australia. Measured by absolute frequency, it is the most numerous in Laos, Thailand, and the United States. Very seldom, จังหวัด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chounlamountry | Australia, Canada, France, Laos, United States |
| Changwat, จังหวัด | Thailand |
| Jangwad | Thailand, India |