Worldwide, Siscu (Siscu 
) is a very rare boy's first name. The forename Siscu is characteristic of Southern Europe, particularly Spain, where it is a rare masculine name. Likewise, Siscu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Siscu | Spain, Romania, United Kingdom, United States |
|
siscu baiges Spanish journalist, ES (b. 1956) |
|