Castro, RCA, FRAIC, (1942- ) is a Colombian-born, Canadian architectural photographer, critic, and educator.
Known for his monographs on architects Rogelio Salmona and Arthur Erickson, his design philosophy was published in Syndetic Modernisms (2014).
Castro was elected Fellow of the Royal Architectural Institute of Canada (FRAIC) in 2010, and to the Royal Canadian Academy of Arts in 2015.