The year2011 in architecture involved some significant architectural events and new buildings.

• February 6 – Cambodian officials claim that "a wing" of thePreah Vihear Temple (11th century) has collapsed due to an alleged Thai bombardment in theCambodian–Thai border dispute.^[1]
• May – BroadcasterBBC North begins its move into Bridge House, Dock House and Quay House, designed byWilkinson Eyre, atMediaCityUK,Salford Quays, England.^[2]
• June 15 –St Paul's Cathedral in London completes its 15-year £40 million restoration project of cleaning and repair, among the largest such projects ever undertaken in the United Kingdom.^[3]
• November – The fourthWorld Architecture Festival is held in Barcelona.
• November 3–11 –Typhoon Haiyan causes widespread destruction inSoutheast Asia. Among buildings seriously damaged isGuiuan Church in thePhilippines.

• January 11 –Salvador Dali Museum,St. Petersburg, Florida, United States, designed byHOK.
• January 21 –Museum of Old and New Art, on theBerriedale peninsula inHobart,Tasmania,Australia, designed byNonda Katsalidis.
• January 25 –New World Center, home of theNew World Symphony Orchestra, atMiami Beach, Florida, designed byFrank Gehry.^[4]
• February 10 — TheGranoff Center for the Creative Arts atBrown University, designed byDiller Scofidio + Renfro^[5]
• February 28 –Museo Soumaya inMexico City, designed byFernando Romero.^{[6][7][8][9][10][11]}
• March 1 –Media City Footbridge across theManchester Ship Canal atMediaCityUK,Salford Quays, England, designed byGifford andWilkinson Eyre Architects.
• April 16 –Turner Contemporary art gallery, inMargate,Kent, England, designed byDavid Chipperfield.^[12]
• May 1 – NewLyric Theatre, Belfast, designed byO'Donnell & Tuomey ofDublin.^[13]
• May 21 –The Hepworth Wakefield art gallery,West Yorkshire,England, designed byDavid Chipperfield.^[12]
• May 31 –Ponte della Musica-Armando Trovajoli across theTiber in Rome, Italy, designed byBuroHappold Engineering and Powell-Williams Architects.
• June – Windmill Hill archive centre,Waddesdon, England, designed by Stephen Marshall.^[14]
• June 16 –Gothenburg Mosque, Sweden.
• June 20 –Riverside Museum, the new development of theGlasgow Museum of Transport inScotland, designed byZaha Hadid Architects.
• June 25 –Peace Bridge across theRiver Foyle inDerry,Northern Ireland, designed byWilkinson Eyre Architects.
• July 19 – NewMuseum of Liverpool, atLiverpoolPier Head, England, designed by architects3XN and engineersBuro Happold.^[15]
• August 27 –Rustavi Sioni, church inRustavi,Georgia, designed by Besarion Menabde, Nikoloz Abashidze and Nikolos Dadiani (consecration date).
• September –firstsite new art gallery,Colchester, England, designed byRafael Viñoly.^[12]
• September 11 –National September 11 Memorial,Reflecting Absence, on theWorld Trade Center site inNew York City, USA, designed by architectMichael Arad with landscape architect Peter Walker (dedication date).
• September 13 –Westfield Stratford City shopping mall,Stratford, London.
• October 12 –Royal Opera House Muscat opens inMuscat,Oman.
• October 20 — The Human Ecology Building atCornell University is dedicated. Designed byGruzen-Samton Architects (IBI Group).^[16]
• December 21 –Capital Gate skyscraper hotel and office building, inAbu Dhabi.

• January
  • City of Westminster College, Paddington Green Campus, London, designed byschmidt hammer lassen architects.
  • Heron Tower in the City of London, designed byKohn Pedersen Fox.
• February
  • 8 Spruce Street, a skyscraper in New York City, USA, designed byFrank Gehry.^[17]
  • Sunset Chapel,Acapulco, Guerrero, Mexico, designed by BNKR Arquitectura.^[18]
• March 29 –London Olympic Stadium, designed byPopulous.
• April –Metropol Parasol inSeville, Spain, designed byJürgen Mayer.
• July 6 –Trump Ocean Club International Hotel and Tower,the tallest building in Panama andLatin America.
• July 27 –London Aquatics Centre, designed byZaha Hadid.
• September
  • CMA CGM Tower inMarseille, designed byZaha Hadid.
  • Aberdeen University New Library in Scotland, designed bySchmidt Hammer Lassen architects.
• October 20 — Milstein Hall atCornell University, designed byRem Koolhaas^[19]
• October 28 –ArcelorMittal Orbit, designed byAnish Kapoor withCecil Balmond, erected atOlympic Park, London.
• November
  • Canada Water Library inLondon Docklands, designed byPiers Gough of CZWG.^[20]
  • Robert H. Jackson United States Courthouse inBuffalo, New York, designed byKohn Pedersen Fox.
• dates unknown
  • N M Rothschild & Sons' New Court banking headquarters in theCity of London, designed byRem Koolhaas'sOMA, completed.^[21]
  • Brockholes Visitor Centre, a floating wooden nature reserve centre designed by Adam Khan of Arca, opens nearPreston, Lancashire, England.^[22]
  • Eighth Avenue Place East inCalgary,Alberta
  • Maggie's Centres, drop-in cancer care centres inGreat Britain^[13]
    • Maggie's Gartnavel,Glasgow, designed byRem Koolhaas'sOMA.
    • Maggie'sNottingham, designed byPiers Gough and Paul Smith.
    • Maggie's South West Wales,Swansea, designed byKisho Kurokawa (opens December 9).
  • TemporarySerpentine Pavilion in London, designed byPeter Zumthor.^[23]
  • Folly for a Flyover, a 'pop-up' temporary arts centre inEast London, England, designed by Assemble.^[13]
  • New Hospital Pavilion,University of Chicago Medical Center, designed byRafael Viñoly, projected for completion.
  • University of Arizona Science Center,Tucson, designed by Rafael Viñoly, projected for completion.
  • The Crystal, Copenhagen, Denmark (part ofNykredit headquarters), designed bySchmidt Hammer Lassen Architects.
  • Kravis Center,Claremont McKenna College,Claremont, California, designed by Rafael Viñoly, projected for completion.

• AIA Gold Medal –Fumihiko Maki
• Architecture Firm Award –BNIM Architects
• Carbuncle Cup –MediaCityUK
• Driehaus Architecture Prize forNew Classical Architecture –Robert A. M. Stern
• Emporis Skyscraper Award –8 Spruce StreetNew York City designed byFrank Gehry
• European Union Prize for Contemporary Architecture (Mies van der Rohe Prize) –David Chipperfield
• Grand Prix de l'urbanisme –Michel Desvigne
• Lawrence Israel Prize –David Rockwell
• LEAF Award, Overall Winner –OBR Open Building Research
• Praemium Imperiale Architecture Award –Ricardo Legorreta
• Pritzker Architecture Prize –Eduardo Souto de Moura
• RAIA Gold Medal –Graeme Gunn
• RIBARoyal Gold Medal –David Chipperfield
• Stirling Prize –Zaha Hadid forEvelyn Grace Academy^[24]
• Thomas Jefferson Medal in Architecture –Maya Lin
• International Union of ArchitectsUIA Gold Medal –Álvaro Siza Vieira
• AIATwenty-five Year Award –John Hancock Tower designed byPei Cobb Freed & Partners
• UIAGold Medal –Álvaro Siza Vieira
• Vincent Scully Prize –William K. Reilly

• June 6
  • Stefan Kuryłowicz, Polish architect (born1949)
  • Amnon Niv, Israeli architect and urban designer (born1930)
• September 17 –Colin Madigan, Australian architect (born1921)
• September 27 –Imre Makovecz, Hungarian architect (born1935)
• October 2 –Efraín Recinos, Guatemalan architect (born1928)
• October 5 –Enver Faja, Albanian architect (born1934)
• October 24 –Bruno Weber, Swiss architect (born1931)
• November 25 –Karel Hubacek, Czech architect (born1924)
• December 12 –Gene Summers, American architect (born1928)
• December 26 –Kiyonori Kikutake, Japanese architect, co-founder of theMetabolist group.^[25] (born1928)
• December 27 –Anne Tyng, American architect (born1920)
• December 30 –Ricardo Legorreta, Mexican architect, UIA Gold Medalist (born1931)

• Timeline of architecture