Cognomen Силис (Silis 
, Силис 
) , all over the world, is quite a rare last name. The surname Силис is characteristic of Latvia, where it is quite a common surname, El Salvador, where it is quite a rare surname, and Mexico, where it is a rare surname. Very seldom, Силис is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silis | Brazil, El Salvador, Latvia, Mexico, United States |
| Силис | Russia, Kazakhstan, Belarus |
| николай силис Russian painter and sculptor, RU (b. 1928) |
|