Cognomen 治娟 (Zhijuan 
, 治娟 ) , worldwide, is a rare last name. The last name 治娟 is habitual in Singapore, where it is a very rare surname, China, and Malaysia. Predominantly, 治娟 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zhijuan | China, Spain, Taiwan, United States, New Zealand |
| 治娟 | China |