Mónica Madariaga Gutiérrez (25 January 1942 – 8 October 2009) was a Chilean lawyer, academic, and politician, a state minister of the military dictatorship headed by her cousin, Augusto Pinochet, which ruled the country from 1973 to 1990.

[7] In 2004, Mónica Madariaga contracted an aggressive form of bone and breast cancer, which was initially contained, but then returned and metastasized to her lymphatic system.

[1] Mónica Madariaga was characterized by her strong personality, frank character, and divisive revelations and statements, which landed her in several controversies in the press.

[9] She was a frequent guest on television programs precisely because of her openness to unveiling some episodes of the military regime, such as indicating the great influence that Lucía Hiriart exerted on her husband.

[10][11] She caused a stir when, in an interview with the newspaper La Tercera in 2000, she affirmed that the leaders of the rightist UDI were indoctrinated in Colonia Dignidad.