Jaime Jorge Guzmán Errázuriz (June 28, 1946 - April 1, 1991) was a Chilean lawyer and senator, member and doctrinal founder of the conservative Independent Democrat Union party. In the 1960s he opposed the University Reform and became the main ideologist of the gremialismo thought. He opposed President Salvador Allende and later became a collaborator of the Pinochet Regime. A professor of Constitutional Law, he played an important part in the drafting of the 1980 Constitution that was imposed upon the populace by the dictatorship. He was assassinated in 1991, during the transition to democracy, by members of the communist group Manuel Rodríguez Patriotic Front.