Facundo Ernesto Suárez Lastra (born 24 February 1954) is the Argentine politician of the Radical Civic Union. Suárez Lastra has held a number of important positions throughout his career; most notably, he was intendente (mayor) of Buenos Aires from 1987 to 1989, during the presidency of Raúl Alfonsín. From 2017 to 2021, he was a National Deputy elected in the Federal Capital.