Throughout the world, Sislia (Sislia 
) is a rare feminine first name. The first name Sislia is characteristic of Tanzania, where it is a rare girly name, and India, where it is an extremely rare female name. Much less frequently, Sislia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sislia | Tanzania, Mexico, India, Nigeria, South Africa |