Polish genocide may refer to:
- Massacres and religious segregation of Poles in Russian Empire after 1863 Uprising
- Massacres of Poles in Volhynia and Eastern Galicia
- Nazi crimes against the Polish nation
- Polish Operation of the NKVD
- Soviet repressions of Polish citizens (1939–1946)
- Katyn massacre, a series of mass executions of Polish officers carried out by the Soviet Union