The Przyszowice massacre (Polish: Zbrodnia przyszowicka or tragedia przyszowicka) was a massacre perpetrated by the Red Army against civilian inhabitants of the Polish village of Przyszowice in Upper Silesia during the period January 26 to January 28, 1945. Sources vary on the number of victims, which range from 54 to over 60 – and possibly as many as 69. The Institute of National Remembrance, a Polish organization that carried out research into these events, has declared that the Przyszowice massacre was a crime against humanity.