Cognomen Dequis (Dequis 
) , in the world, is a very rare surname. The surname Dequis is characteristic of Germany, where it is a very rare surname, the United States, and Canada, where it is an extremely rare surname. In absolute terms, this name is the most popular in Germany, the United States, and Philippines. Very seldom, Dequis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dequis | Canada, Germany, Peru, United States, Philippines |