Cognomen 长文 (长文 
, Changwen 
) , worldwide, is quite a rare family name. The cognomen 长文 is characteristic of Eastern Asia, particularly China, where it is a rare surname. More prevalently, 长文 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 长文 | China |
| Changwen | China, Colombia, Taiwan, United States, Greece |