Gustavo Silva Pizarro (1884 — 1960) was a Chilean lawyer, political scientist and the sixth Mayor of the commune of Pichilemu, office which he held for nine years between May 1915 and May 1924.
Gustavo Silva Pizarro obtained a degree in Law and Political Sciences from the University of Chile on 15 November 1909, subsequently becoming a lawyer.
He married LucÃÂa Silva HenrÃÂquez, sister of Catholic Cardinal Raúl Silva HenrÃÂquez, with whom he had nine children: Raúl, LucÃÂa, Teresa, Patricio, Enrique, Ricardo, Bernardo (married with Mónica Donoso Flores), Andrés (married with Yolanda Oelkers Robles), and Mercedes (married with Hugo Donoso Donoso).
Gustavo Silva Pizarro was elected mayor (primer alcalde) of Pichilemu in 1915 for a three-year term, and re-elected for the 1918–21 and 1921–24 terms. In the 1924 election, Luis Barahona Fornés was elected mayor and Silva Pizarro was relegated to a regidor office for the 1924–1927 term.
During Silva Pizarro's tenure as mayor of Pichilemu, on 2 January 1919, the municipality contracted for the first time a doctor, JoaquÃÂn Browne, to provide health services for the commune.