The following list is a list of massacres that have occurred in Puerto Rico:
Name Date Location Deaths NotesRío Piedras massacre 1935-10-24Río Piedras5Puerto Rico Police officers confronted and opened fire on supporters of the Puerto Rican Nationalist Party. Four Nationalist Party members were killed, and one police officer was wounded during the shootingPonce massacre1937-03-21Ponce21Utuado uprising1950-10-30Utuado10Dupont Plaza Hotel arson1986-12-31San Juan98Cayey Massacre1994-03-13Cayey4Sabana Seca massacre2009-10-17Sabana Seca82019 Río Piedras shooting2019-10-14Río Piedras6Mayagüez massacre2020-10-15Mayagüez3Caldo de Oso Massacre2021-10-24Naranjito3Cidra massacre2021-12-07Cidra52023 Carolina, Puerto Rico, massacre2023-06-25Carolina5
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