The Olivos Pact refers to a series of documents signed on November 17, 1993, between the governing President of Argentina, Carlos Menem, and former President and leader of the opposition UCR, Raúl Alfonsín, that formed the basis of the constitutional reform of 1994. These memorandum of understanding were signed in the official presidential residence, the Quinta de Olivos.

Raúl Ricardo Alfonsín was an Argentine lawyer and statesman who served as President of Argentina from 10 December 1983 to 8 July 1989. He was the first democratically elected president after the 7-years National Reorganization Process. Ideologically, he identified as a radical and a social democrat, serving as the leader of the Radical Civic Union from 1983 to 1991, 1993 to 1995, 1999 to 2001, with his political approach being known as "Alfonsinism".