Luis Barrios Tassano (San Carlos, Uruguay, 26 August 1935 – Montevideo, 15 December 1991) was a Uruguayan lawyer and diplomat.

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A man of the Colorado Party, when the democracy came back in 1985 he was appointed Ambassador to Argentina. He further undertook a decisive action in order to establish bilateral relations with the People's Republic of China. Later he was appointed as Ministry of Foreign Relations (1988–1990).^[1]