2001 in architecture
The year 2001 in architecture involved some significant architectural events and new buildings.

Events

 February 11- Three Rivers Stadium home of the Pittsburgh Pirates and Steelers is demolished.

September 11 – September 11 attacks: World Trade Center in New York (designed by Minoru Yamasaki) is destroyed, and The Pentagon is heavily damaged by hijacked airliners. St. Nicholas Greek Orthodox Church is completely destroyed.  Deutsche Bank Building and Fiterman Hall are subsequently demolished due to severe damage.
The Grollo Tower would have been the tallest in the world, but it will most likely not be built.

Buildings and structures

Buildings opened

March 17 – Eden Project, St Austell, Cornwall, UK, designed by Nicholas Grimshaw & Partners.
 April – Magna Science Adventure Centre, Rotherham, Yorkshire, UK, designed by Wilkinson Eyre. It wins this year's Stirling Prize.
May 4
Milwaukee Art Museum opens the Quadracci Pavilion, the first completed American project by Santiago Calatrava.
Sultan Qaboos Grand Mosque opens in Muscat, Oman.
June 28 – Gehry Tower (designed by Frank Gehry) in Hanover, Germany.
June 30 – National Space Centre, Leicester, England, by Nicholas Grimshaw & Partners.
September 9 
Jewish Museum, designed by Daniel Libeskind, Berlin, Germany.
National Museum of Ireland's Museum of Country Life, Turlough, County Mayo, designed by Des Byrne of Architecture Services, Office of Public Works, is opened.
September 17 – Gateshead Millennium Bridge, a pedestrian tilt bridge for spanning the River Tyne, UK, designed by architects Wilkinson Eyre and structural engineers Gifford. It wins the 2002 Stirling Prize.
November 15 – Palms Casino Resort in Paradise, Nevada, USA, designed by The Jerde Partnership.
November 21 – Cologne Tower inaugurated; designed by Kohl & Kohl and Jean Nouvel.
December 10 – Puente de la Mujer, a pedestrian swing cantilever spar cable-stayed bridge spanning a dock in Buenos Aires, Argentina, designed by Santiago Calatrava, inaugurated.
December 11 – American Folk Art Museum in New York City, USA, inaugurated; designed by Tod Williams Billie Tsien Architects.

Buildings completed

October 30 – Redevelopment of Gasometer, Vienna, by Jean Nouvel, Coop Himmelb(l)au, Manfred Wehdorn and Wilhelm Holzbauer is completed.
date unknown
88 Wood Street office building, City of London, by Richard Rogers.
Caja General de Ahorros, Granada, by Alberto Campo Baeza.
Betty and Gordon Moore Library in the Centre for Mathematical Sciences (Cambridge), UK, designed by Edward Cullinan Architects.
Telekom Tower building, in Kuala Lumpur, Malaysia.
One Wall Centre opens in Vancouver, British Columbia, Canada, by architects Perkins+Will Canada.
Ku’damm-Eck (office building) in Berlin, Germany, by Gerkan, Marg und Partner.
Neues Kranzler Eck (office building) in Berlin, Germany, by Helmut Jahn.
Tower 2000, the first building in the Moscow International Business Centre, Russia.
Work on the Nidaros Cathedral in Trondheim, Norway, is officially completed.
Exhibition building at Scotland's National Museum of Rural Life completed by Page\Park Architects.
Building D, Giudecca, Venice, by Cino Zucchi.
Jacobs Ladder (house) at Chinnor, England, by Niall McLaughlin Architects.

Awards
Aga Khan Award for Architecture – Geoffrey Bawa.
AIA Gold Medal – Michael Graves.
Architecture Firm Award – Herbert Lewis Kruse Blunck Architecture.
Emporis Skyscraper Award – One Wall Centre.
European Union Prize for Contemporary Architecture (Mies van der Rohe Prize) – Rafael Moneo for Kursaal Centre.
Grand Prix de l'urbanisme – Jean-Louis Subileau.
Mies van der Rohe Prize – Rafael Moneo.
Praemium Imperiale Architecture Laureate – Jean Nouvel.
Pritzker Prize – Jacques Herzog and Pierre de Meuron.
Prix de l'Équerre d'Argent – Jacques Herzog and Pierre de Meuron.
RAIA Gold Medal – Keith Cottier.
Royal Gold Medal – Jean Nouvel.
Stirling Prize – Wilkinson Eyre Architects, Magna Centre.
Thomas Jefferson Medal in Architecture – Glenn Murcutt.
Twenty-five Year Award – Weyerhaeuser Headquarters
Vincent Scully Prize – Andres Duany and Elizabeth Plater-Zyberk.

Deaths
January 11 – Denys Lasdun, British architect (born 1914)
January 18 – Morris Lapidus, US Neo-baroque Miami Modern architect (born 1902)
February 4 – Iannis Xenakis,  Greek-French composer, music theorist, and architect-engineer (born 1922)
March 14 – Robert S. McMillan, US architect, co-founder of The Architects Collaborative (born 1916)
December 30 – Samuel Mockbee, US architect (born 1944)