Gregorio Selser (July 2, 1922 — August 27, 1991) was an Argentine journalist and historian. He published an extensive bibliography critical of globalization, imperialism, and covert operations implemented by the CIA in Latin America, in particular. He and his family left Argentina following the March 1976 coup, and was hired as researcher by the Latin American Institute of Latin American Studies (ILET). His three daughters, Irene, Gabriela and Claudia Selser, each became journalists in their own right.