Marta Harnecker (Santiago de Chile, 1937 – Vancouver, Canada 14 June 2019) was a Chilean journalist, author, psychologist, sociologist and Marxist intellectual. She worked in the analysis of the labor movement and elaborated a lot of formative documentation. She was also an advisor to the socialist Marxist government of Cuba, as well as a collaborator with left-wing political movements in Latin America. She was active in the government of Salvador Allende between 1970 and 1973, and a counselor of Hugo Chávez between 2004 and 2011.