Family name Valey (Valley 
, Valey 
, Валей 
) , in the entire world, is a common last name. The family name Valey is characteristic of Guatemala, where it is quite a rare surname, Latvia, and Canada. Measured by absolute frequency, this name is the most popular in the United States, Guatemala, and the United Kingdom. Very seldom, Valey is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Valley | France, Canada, Democratic Republic of the Congo, United States, United Kingdom |
| Valey | Guatemala, Canada, Democratic Republic of the Congo, United States, United Kingdom |
| Валей | Ukraine, Russia, Kyrgyzstan, Kazakhstan |
| Vallis | France, India, Canada, United States, United Kingdom |