Estanislao Valdés Otero (born 18 August 1931 in Montevideo) is a Uruguayan lawyer, author, and politician.
During the Civic-military dictatorship of Uruguay he was Minister of Agriculture and Fisheries (2 February 1977 – 14 April 1978) and afterwards Minister of Foreign Relations (17 February 1981 – 2 September 1982). He was in charge of keeping Uruguay neutral during the Falklands War.
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