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.

[7] Suárez Lastra ran for a seat in the Argentine Chamber of Deputies in the 2017 legislative election; he was the seventh candidate in the Vamos Juntos (Cambiemos) list in Buenos Aires.

[10] His support for the bills led to protests in front of his private residence in Buenos Aires, which were condemned by politicians across the political spectrum.

[11][12] Ahead of the 2021 primary election, Suárez Lastra was confirmed as one of the candidates for re-election in the "Adelante Ciudad" list.