Family name קסיה (Cássia 
, קסיה 
) , in the world, is a rare cognomen. The cognomen קסיה is characteristic of Angola, where it is a rare surname, Israel, and Brazil. More prevalently, קסיה is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cássia | Brazil, Angola, United States, Portugal, Ireland |
| קסיה | Israel |