Family name Silex (Silex 
, Silice 
, SÃlex) , in the world, is a rare cognomen. The cognomen Silex is characteristic of Germany, where it is a rare surname, Honduras, and France, where it is a very rare surname. In absolute terms, this name is the most popular in Germany, the United States, and France. Also, Silex is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silex | Spain, Mexico, France, United States, Germany |
| Silice | Spain, Brazil, Italy, Mexico, France |
|
paul silex German ophthalmologist (b. 1858) |
|
| karl silex German journalist, DE (b. 1896) |
|
|
| maria silex DE (b. 1987) |
|