Massacre may refer to: , the intentional killing of a considerable number of human beings, under circumstances of atrocity or cruelty, or contrary to "the usages established among civilized peoples" (International Humanitarian Law term from the Martens Clause). any mass killing Genocide List of events named massacres. Places Massacre, Dominica, a village on the island of Dominica in the Caribbean. Comics Massacre (comics), a DC Comics villain. The Mutant Massacre (or "Morlock Massacre")… (More on Massacre)