Worldwide, จันวัน (Chanwan 
, จันวัน , Chan Wan 
) is a very rare unisex first name. The given name จันวัน is characteristic of Thailand, where it is a very rare gender-neutral name, and India, where it is an extremely rare mostly girly, but uncommonly masculine name. Also, จันวัน is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Chanwan | China, South Korea, Thailand, United States, India |
| จันวัน | Thailand |
| Chan Wan | United States, Malaysia |