Last name จรรย์ (Chan 
, จรรย์ 
) , in the world, is a prevalent cognomen. The cognomen จรรย์ is habitual in Hong Kong, where it is a prevalent surname, Macao, and Bermuda (explore the name in all countries). Not in comparison with a country's population, it is commonest in Hong Kong, Myanmar, and China. Also, จรรย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chan | Hong Kong, Myanmar, Mexico, Malaysia, China |
| จรรย์ | Thailand |