Last name จำเนียน (Trim 
, Chamnian 
, จำเนียน) , globally, is quite a rare cognomen. The family name จำเนียน is characteristic of Latin America and the Caribbean, particularly Saint Lucia, where it is quite a common surname, Trinidad and Tobago, and Barbados, where it is quite a rare surname. In absolute terms, it is commonest in the United States, the United Kingdom, and Trinidad and Tobago. Also, จำเนียน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trim | United Kingdom, Kosovo, Trinidad and Tobago, United States, Thailand |
| Chamnian | United States, Malaysia, United Kingdom, Thailand |