Santiago Bonavía

Giacomo Bonavia
Born	1700 Piacenza
Died	1760 (aged 59–60) Madrid
Nationality	Italian
Occupation	Architect

Practice	Santiago Bonavía
Buildings	Pontifical Basilica of Saint Michael
Projects	Royal Palace of Aranjuez

Santiago Bonavía (Italian: Giacomo Bonavia) (1700–1760) was an Italian architect and painter who was active in Spain during the 18th century.

Called in 1731 by King Philip V of Spain,Cardinal Infante Luis of Chinchón commissioned him in 1739 the construction in Madrid of the Church of Sts. Justus and Pastor, today's Pontifical Basilica of Saint Michael.

Bonavia was member of the Real Academia de Bellas Artes de San Fernando since its creation by royal decree in 1744. He became director of the Architecture department in 1753.