1991 in architecture

The year 1991 in architecture involved some significant architectural events and new buildings.

Buildings

 * 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 in Frankfurt am Main, Germany is completed.
 * 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.
 * 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.

Awards

 * 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

Deaths

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