Cognomen 瓦伦 (Valen 
, Valene 
, Wahlen 
) , in all the world, is a common last name. The cognomen 瓦伦 is characteristic of Norway, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Netherlands. Measured by absolute frequency, the name is most common in Indonesia, Germany, and the United States. Also, 瓦伦 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Valen | Norway, Germany, Indonesia, United States, Colombia |
| Valene | United States, Philippines, Democratic Republic of the Congo, India, France |
| Wahlen | Norway, Germany, Netherlands, Switzerland, United States |