The year 1844 in architecture involved some significant architectural events and new buildings.

• June 12 – Abingdon Road railway station near Culham on the line to Oxford in England, designed by I. K. Brunel.
• August 21 – St Mary's Church, Newcastle upon Tyne (Roman Catholic, later Cathedral) in England, designed by Augustus Pugin.^[1]
• August 27 – St Barnabas Church, Nottingham (Roman Catholic, later Cathedral) in England, designed by Augustus Pugin.^[1]
• October – The Grange, Ramsgate (house), designed for himself by Augustus Pugin.^[1]
• Autumn – The Scott Monument in Edinburgh, Scotland, designed by George Meikle Kemp.
• New buildings for Marischal College, Aberdeen, Scotland, designed by Archibald Simpson.
• Bell tower of Dormition Cathedral, Kharkiv, Ukraine.
• Berkshire County Gaol, Reading, England, designed by George Gilbert Scott with William Bonython Moffatt.
• Berry Hill, near Halifax, Virginia.

• July 27 – Vang Stave Church, relocated from Vang, Norway, to Brückenberg, Silesia, is reconsecrated.
• Eugène Viollet-le-Duc and Jean-Baptiste Lassus win a competition for the restoration of the cathedral of Notre-Dame de Paris.

• Grand Prix de Rome, architecture: Prosper Desbuisson.

• January 3 – Hermann Eggert, German architect (died 1920)
• June 23 – Émile Bénard, French architect and painter (died 1929)
• July 3 – Dankmar Adler, German-born American architect (died 1900)

• March 6 – George Meikle Kemp, designer of the Scott Monument in Edinburgh (born 1795; drowned).^[2]
• April 15 – Charles Bulfinch, first native-born American to practice architecture as a profession^[3] (born 1763)