This is a list of wars involving Kievan Rus' (c. 9th century–1240).
[a] These wars involved Kievan Rus' (also known as Kyivan Rus'[5]) as a whole, or some of its principalities[b] up to 1240.
[c] *e.g. result unknown or indecisive/inconclusive, result of internal conflict inside Kievan Rus', status quo ante bellum, or a treaty or peace without a clear result.
(also known as Feud of the Volodimerovichi or Internecine war in Rus') Boris Sviatoslavich Monomakhi: Volodimer II of PereyaslavlIzyaslav Volodimirovych of Murom † Yuri Dolgorukiy of Suzdalia Olgovichi of Chernigov[22] Viacheslav I of Kiev Yurievichi: Novgorod Republic (repeatedly switched sides) Olgovichi of Chernigov[22] Mstislavichi: Novgorod Republic (repeatedly switched sides) Iziaslavichi (senior Mstislavichi): Rostislavichi (junior Mstislavichi): Grand Duchy of LithuaniaBaltic peoplesBaltic Finnic peoples Cuman–Kipchak Confederation