1738 in architecture

	… 1728; 1729; 1730; 1731; 1732; 1733; 1734; ; 1735; 1736; 1737; 1738; 1739; 1740; 1741; ; 1742; 1743; 1744; 1745; 1746; 1747; 1748 …;
	Buildings and structures Art; Archaeology; Architecture; Literature; Music; Philosophy; Science; +...
	v; t; e;

Events

William Kent is appointed to remodel Rousham House and gardens in Oxfordshire, England, "a landmark in the history of the Romantic movement."^[1]

Château de Bagnolet, Paris.
San Simeone Piccolo on the Grand Canal (Venice), designed by Giovanni Antonio Scalfarotto, completed.
Iglesia de Nuestra Señora de la Palma, Algeciras, Spain, designed by Alonso Barranco and completed by Isidro Casaus.
Welsh Charity School, Clerkenwell, London, designed by James Steer.
Residenz Ansbach reconstruction completed by Leopold Retti.

Giovanni Niccolò Servandoni – Description abregée de l'eglise Saint Pierre de Rome (Paris)

January 20 – Francesco Galli Bibiena, Italian architect, designer and painter (born 1659)
March 16 – George Bähr, German architect; designer of Protestant churches (born 1666)
Date unknown – Francis Smith of Warwick, English architect (born 1672)

^ Sherwood, Jennifer (1974). "Rousham Park". In Sherwood, Jennifer; Pevsner, Nikolaus (eds.). Oxfordshire. The Buildings of England. Harmondsworth: Penguin Books. pp. 740–6. ISBN 0-14-071045-0.