Quick answer
Yaroslav is a boy name meaning "fierce and glorious".
Pronunciation: Russian /jɪ.rɐ.ˈsɫaf/; Ukrainian /jɐ.ro.ˈsɫau̯/.
Meaning and history
The name means "fierce and glorious", derived from the Slavic elements jarŭ "fierce, energetic" and slava "glory". Yaroslav the Wise was an 11th-century grand prince of Kyiv who expanded Kievan Rus to its greatest extent.
Notes and context
Usage: russian, ukrainian | Russian: Ярослав