Around the globe, Святаслав (Святаслав 
) is a very rare boy's forename. Much less frequently, Святаслав is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Святаслав | Kyrgyzstan, Ukraine, Russia |
Svetoslav, Sviataslau, Sviataslav, Sviatoslav, Svjatoslav, Svyatoslav, Swetoslaw, Swjatoslaw, Światosław, Светослав, Святаслаў, and Святослав
| святаслав бохан Belarusian footballer, BY (b. 1991) |
|