This is a list of names in which the categories include medieval.
YaropolkmMedieval Slavic, Russian (Rare) Derived from the Slavic elements yaru meaning "fierce, energetic" and pulku meaning "people, host". This name was borne by two rulers of Kievan Rus, in the 10th and 12th centuries.
YaroslavmRussian, Ukrainian, Medieval Slavic Means "fierce and glorious", derived from the Slavic elements yaru meaning "fierce, energetic" and slava meaning "glory". Yaroslav the Wise was an 11th-century grand prince of Kyiv who expanded Kievan Rus to its greatest extent.