Cognomen Keilis (Keilis 
) , all over the world, is a rare family name. The cognomen Keilis is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is a rare surname, Argentina, and Honduras, where it is a very rare surname. Likewise, Keilis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keilis | Brazil, Argentina, Honduras, Colombia, Venezuela |