Adriana Olguín de Baltra (born Luz Adriana Margarita Olguín Buche) (18 November 1911 – 24 December 2015) was a Chilean lawyer and politician. She was born in Valparaíso, Chile. Olguín served as Chile's Minister of Justice serving from 29 July 1952 through 3 November 1952 under the Gabriel González Videla administration. She was the first woman to hold a position in any presidential cabinet in Latin American history.