Armed conflicts between Poland (including the Polish–Lithuanian Commonwealth and Civitas Schinesghe ("Duchy of Poland")) and Russia (including the Soviet Union and Kievan Rus') include:

• e.g. result unknown or indecisive/inconclusive, result of internal conflict inside Poland or Russia in which the other intervened, status quo ante bellum, or a treaty or peace without a clear result.

Piast Poland versus Kievan Rus'

Kingdom of Poland versus Galicia–Volhynia (Ruthenia)

Crown of the Kingdom of Poland versus Principality of Moscow

Polish–Lithuanian Commonwealth versus Tsarist Russia

Polish states and rebels versus Russian Empire

Poland versus Soviet Union

Originally a Polish civil war that Russia, among others, became involved in. Originally a Hungarian revolution but was joined with Polish force on Hungarian side against Austria and Russia. Part of the broader Russian Revolution of 1905.

Sources