Jaime Jorge Guzmán Errázuriz (June 28, 1946 – April 1, 1991) was a Chilean lawyer and senator, member and doctrinal founder of the liberal 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 close advisor of Pinochet and the Military government in Chile (1973–90).
A professor of Constitutional Law, he played an important part in the drafting of the 1980 Chilean Constitution based in American liberalism ideas and a strong protection for individual liberty and property.
He was assassinated in 1991, after the Chilean transition to democracy, by members of a radical terrorist group Manuel Rodríguez Patriotic Front.