Family name ชวัน (Chwan 
, ชวัน 
) , worldwide, is a rare cognomen. The family name ชวัน is characteristic of Malaysia, where it is quite a rare surname, Iraq, where it is a rare surname, and Saudi Arabia. Measured by absolute frequency, it is the most numerous in Malaysia, India, and Iraq. Likewise, ชวัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chwan | Myanmar, Iraq, India, Democratic Republic of the Congo, Malaysia |
| ชวัน | Thailand |