Alejandro Gastón Aravena Mori (born 22 June 1967) is a Chilean architect and executive director of the firm Elemental S.A.

Aravena co-authored Los Hechos de la Arquitectura (ARQ, 1999), El Lugar de la Arquitectura (ARQ, 2002) and the monograph Elemental: Incremental Housing and Participatory Design Manual (Hatje-Cantz, 2012).

[6] He was a member of the Pritzker Prize Jury from 2009 to 2015, and is an International Fellow of the Royal Institute of British Architects.

[10] Aravena invited Raphael Zuber, Herzog & de Meuron, Tadao Ando, Peter Zumthor, David Chipperfield, SANAA and Francis Kéré, among others.

He designed the Colegio Huelquén Montessori; the Casa para una Escultora (House for a Sculptor); the Casa en el lago Pirehueico (House on Pirihueico Lake); Hunt, Le Mans and Johnson residential halls of St. Edward’s University in Austin, Texas; art workshops on the Vitra campus at Weil am Rhein; Villa in Ordos (Inner Mongolia) and projects for the Elemental initiative.