Surname 文友 (文友 
, Wenyou 
, Fumitomo 
) , all over the world, is quite a rare cognomen. The cognomen 文友 is habitual in Eastern Asia, particularly China, where it is a rare surname. More prevalently, 文友 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 文友 | China |
| Wenyou | Brazil, Spain, China, Chile, United States |
| Fumitomo | Brazil, United States, Japan |