Lia Siqueira is one of Brazil's leading contemporary architects and designers. Siqueira has won several awards from the Institute of Architects of Brazil and MOVESP, along with receiving the Selo Rio Design Award in 1996. Siqueira has run the architectural firm Azul Arquitetura & Design in Rio de Janeiro since 1987.
Siqueira's furniture designs reveal a visceral link with wood; employing a feminine, delicate approach towards the material that has garnered considerable admiration in Brazil and internationally.
Graduated in Architecture and Urbanism from Santa Úrsula University in Rio de Janeiro. After a brief experience at the German architecture firm Weidling, Kettner & Dr. Werner, Lia returns to Brazil to open Siqueira + Azul Arquitetura & Design. Together with Felipe and Betina Siqueira, she develops residential, commercial, corporate projects as well as furniture design. In architecture, she has been nationally awarded by the Brazilian Association of Architectural Offices (AsBEA-RJ) | House of Arches (2024), Cardal Chapel Shelter (2022); and by the Institute of Architects of Brazil – Rio de Janeiro (IAB-RJ) | Book House Annex (2020), Corrêa do Lago Library (2011) – Prize of the Year, Study Room (1991), Idea Space (1991).
Lia participated in the Time Space Existence exhibition during the Venice Architecture Biennale (2023), presenting the project Bandstand Square in collaboration with the artist Beatriz Milhazes. The work was later exhibited at the Instituto Casa Roberto Marinho in Rio de Janeiro as part of Beatriz Milhazes' exhibition Nomadic Paintings (2025).
Internationally, she has received recognitions including the iF Design Award | Musing Annex (2026), Janeiro Hotel (2022), Book House Annex (2022); Loop Design Awards | Blue Star House, Hillside Home (2026); Architecture MasterPrize | Musing Annex (2025); Architecture Hunter Awards | Itaúna House (2024); 2A Continental Architectural Awards Endless Horizon House (2020); and editorial awards including Tatler Travel Awards – The Best Hotels in the World Right Now | Janeiro Hotel (2020); Wallpaper Best Urban Hotels | Janeiro Hotel (2019). Her studio, Siqueira + Azul, was included in the AD100 2026 list by Architectural Digest México & Latin America.
