1991 in architecture

{{See also|Category:Buildings and structures completed in 1991}}

File:London Stansted Airport.jpg]]

File:Norwegian Glacier Museum.JPG in Fjærland, Norway]]

• One Canada Square at Canary Wharf in London, designed by César Pelli & Associates, becomes the tallest building in the United Kingdom.
• Stansted Airport terminal building in Essex, England, designed by Norman Foster.
• Rebuilt Liverpool Street station in London, designed by Nick Derbyshire, is opened.
• The Tianjin Radio and Television Tower in Tianjin, China is completed.
• The Sainsbury Wing of the National Gallery in London, designed by Robert Venturi and Denise Scott Brown, is opened.
• Norwegian Glacier Museum in Fjærland, designed by Sverre Fehn, is built.
• Extended Brentwood Cathedral in England, designed by Quinlan Terry, is dedicated.
• University of Vaasa Palosaari stage 1 buildings, Finland, designed by Käpy and Simo Paavilainen.
• Key Tower in Cleveland, Ohio, United States is completed.
• The Messeturm{{cite book |last1=Al-Kodmany |first1=Kheir |last2=Ali |first2=Mir M. |title=The Future of the City: Tall Buildings and Urban Design |date=2013 |publisher=WIT Press |isbn=978-1-84564-410-9 |page=352 |url=https://books.google.com/books?id=yBPA9kYZXTMC |access-date=26 February 2024 |language=en}} in Frankfurt am Main, Germany is completed.{{cite book |last1=Sharp |first1=Dennis |title=Twentieth Century Architecture: A Visual History |date=2002 |publisher=Images Publishing |isbn=978-1-86470-085-5 |page=424 |url=https://books.google.com/books?id=mklcuKnGjr4C |access-date=26 February 2024 |language=en}}
• QV.1 in Perth, Australia.
• TD Canada Trust Tower, Calgary in Calgary, Alberta
• Carnegie Hall Tower in Manhattan, New York, United States is completed.
• Bell Atlantic Tower in Philadelphia, Pennsylvania, United States is completed.{{cite book |last1=Nickels |first1=Thom |title=Philadelphia Architecture |date=2005 |publisher=Arcadia Publishing |isbn=978-0-7385-3798-6 |page=139 |url=https://books.google.com/books?id=UJX2xY0QShMC |access-date=26 February 2024 |language=en}}
• Bourke Place in Melbourne, Australia is completed.
• Melbourne Central Shopping Centre in Melbourne, Australia is completed.
• The Friedrich Clemens Gerke Tower in Cuxhaven, Lower Saxony, Germany is completed.
• The Guangzhou TV Tower in Guangzhou, China is completed.
• The West Tower of the Stardust Resort & Casino in Las Vegas, Nevada, United States is completed.
• 101 Collins Street designed by architects Denton Corker Marshall is completed in Melbourne.
• "The Corns" residential towers, "1000 Years" housing estate, Katowice, Poland, designed by Henryk Buszko and Aleksander Franta, is completed.
• Team Disney Orlando, an office building in Lake Buena Vista, Florida, designed by Arata Isozaki.{{cite magazine |last1=Korkis |first1=Jim |title=WDW Chronicles: The Story of the Team Disney Building |magazine=All Ears |date=2016-08-02 |volume=880 |url=https://allears.net/wdw-chronicles-the-story-of-the-team-disney-building/ |access-date=2024-06-12 |publisher=AllEarsNet, LLC |issn=1533-0753}}
• The Keeler House in Pacific Palisades, Los Angeles, designed by Ray Kappe. It was destroyed in the January 2025 Southern California wildfires.{{cite news|author=Sam Lubell|url=https://www.nytimes.com/2025/01/09/arts/design/architecture-fires-california-los-angeles-rogers-eames.html|archive-url=https://archive.today/20250111064240/https://www.nytimes.com/2025/01/09/arts/design/architecture-fires-california-los-angeles-rogers-eames.html|title=As Flames Consume Architectural Gems, a Hit to 'Old California'|date=9 January 2014|work=The New York Times|accessdate=11 January 2025|archivedate=11 January 2025}}

• AIA Gold Medal – Benjamin C. Thompson.
• Architecture Firm Award – Zimmer Gunsul Frasca Architects.
• Grand Prix de l'urbanisme – Jean Dellus.
• Grand prix national de l'architecture – Christian Hauvette.
• Praemium Imperiale Architecture Laureate – Gae Aulenti.
• Pritzker Prize – Robert Venturi.
• Prix de l'Académie d'Architecture de France – Norman Foster.
• RAIA Gold Medal – Donald Bailey.
• RIBA Royal Gold Medal – Colin Stansfield Smith.
• Twenty-five Year Award – Sea Ranch Condominium One

• August 19 – Hans van der Laan, Dutch monk and architect (born 1904)

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Category:20th-century architecture