Family name Святослав-Петро (Святослав-Петро 
) , worldwide, is an extremely rare surname. Much more frequently, Святослав-Петро is the forename as well as the last name. Parts of the name also exists independently as a first name Святослав, and a first name Петро.
| VARIANT | COUNTRY |
|---|---|
| Святослав-Петро | Ukraine |