Quick answer
Svyatoslav is a boy name.
Pronunciation: Russian /svʲɪ.tɐ.ˈsɫaf/.
Meaning and history
This name is derived from the Slavic elements svętŭ "sacred, holy" and slava "glory". This was the name of a 10th-century ruler of Kievan Rus, the son of Igor and Olga, and the first to have a name of Slavic origin instead of Old Norse.
Notes and context
Usage: russian, ukrainian | Russian: Святослав