Yaropolk Izyaslavich (died 1087) is a Knyaz (prince) during the eleventh-century in the Kievan Rus' kingdom and is the King of Rus (1076–1078).

The son of Grand Prince Izyaslav Yaroslavich by a Polish princess named Gertruda, he is visible in papal sources by the early 1070s but largely absent in contemporary Rus sources until his father's death in 1078.

During his father's exile in the 1070s, Yaropolk can be found acting on his father's behalf in an attempt to gain the favor of the German emperors and the papal court of Pope Gregory VII.

His father returns to Kiev in 1077 and Yaropolk follows.

After his father's death, Yaropolk is appointed Prince of Volhynia and Prince of Turov in 1078 by the new Grand Prince, his uncle Vsevolod.

By 108, Yaropolk has fallen into a state of enmity with the Grand Prince, and by extension the Grand Prince's son Vladimir Monomakh, forcing him to flee to Poland, his mother's homeland.

He returns in 1086 and makes peace with Monomakh but is murdered the same year on a journey to Zvenyhorod.

He is remembered in Rus sources as extremely pious and generous to the church and is recognized as a saint in the Eastern Orthodox Church.