Nezar Al Sayyad (born October 10, 1956) is an architect, city planner, urban designer, urban historian, and professor emeritus at the University of California Berkeley in the College of Environmental Design, where he received the Distinguished Teaching Award. Educated as an architect, planner, and urban historian, AlSayyad is principally an urbanist whose specialty is the study of cities, their urban forms and spaces, and their impact on their social and cultural realities. As a scholar, AlSayyad has written and edited several books on colonialism, identity, Islamic architecture, tourism, tradition, urbanism, urban design, urban history, urban informality, and virtuality.

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In 1988, AlSayyad co-founded the International Association for the Study of Traditional Environments (IASTE), a scholarly association concerned with the study of indigenous vernacular and popular built environments around the world. In the same year he founded the area of Environmental Design and Urbanism in Developing Countries (EDUDC), an interdisciplinary area of research that connects history, theory, social processes, and design at both the undergraduate and graduate levels in the College of Environmental Design at the University of California, Berkeley. As an academic advisor, AlSayyad has worked with more than 50 PhD students in both architecture and planning in addition to supervising more than a hundred M.Arch, MCP and MUD theses during his 33-year career at Berkeley.

AlSayyad has also produced and co-directed two public television video documentaries: Virtual Cairo and At Home with Mother Earth. He has received grants from the U.S. Department of Education, NEA—Design Arts Program, Getty Grant Program, the Graham Foundation, the SSRC, and a Guggenheim fellowship. His awards include the Beit Al-Quran Medal from Bahrain, the Pioneer American Society Book Award, and the American Institute of Architects Education Honors. AlSayyad maintains a small architecture and urban design practice XXA- The Office of Xross-Xultural Architecture which provides design and consulting work to various clients in the US and several developing countries. AlSayyad has been invited as a visiting professor and as a lecturer in more than 40 countries.

AlSayyad is the president of the International Association for the Study of Traditional Environments (IASTE), and faculty director of the Center for Arab Societies and Environments Studies (CASES). He is a member of the Urban Design Graduate Group (MUD) and the Global Studies Graduate Group. For almost two decades AlSayyad also chaired the Center for Middle Eastern Studies at Berkeley.

• Whose Tradition?. Co-edited with Mark Gillem and David Moffat. Routledge: London, 2017.
• Traditions: The Real, the Hyper, and the Virtual in the Built Environment. Routledge: London, 2014.
• Cairo: Histories of a City. Harvard University Press: Cambridge, 2011.
• The Fundamentalist City? Co-edited with Mejgan Massoumi. Routledge: London, 2010.
• Cinematic Urbanism: A History of the Modern From Reel to Real. Routledge: London & New York, 2006.
• Making Cairo Medieval. Co-edited with Irene Bierman and Nasser Rabbat. Lexington Books: Lanham & London, 2005.
• Müslüman Avrupa ya da Avro-Islam. Co-edited with Manuel Castells. Istanbul: Everest, 2004 (In Turkish).
• The End of Tradition? Editor. Routledge: London & New York, 2003.
• Urban Informality: Transnational Perspectives from the Middle East, Latin America and South Asia. Co-edited with Ananya Roy. Lexington Books: Lanham and London, 2003.
• Europa Musulmana O Euro-Islam. Barcelona: Alianza Editorial/Ensayo, 2003 (In Spanish).
• Muslim Europe or Euro-Islam. Co-edited with Manuel Castells. Lexington Books: Lanham and London, 2002.
• Consuming Tradition/Manufacturing Heritage: Global Norms and Urban Forms in an Age of Tourism. Routledge: London, New York, 2001.
• Hybrid Urbanism: On the Identity Discourse and the Built Environment. Greenwood/Praeger: New York and Westport, 2001.
• Al Mudun fi Sadr al-Islam: The Early Cities of Islam. Beit Al-Quran: Bahrain, 1996 (in Arabic).
• Forms of Dominance: On the Architecture and Urbanism of the Colonial Enterprise. Editor. Avebury: London and Aldershot, 1992.
• Cities and Caliphs: On the Genesis of Arab Muslim Urbanism. Greenwood Press: New York, Westport, and London, 1991.
• Dwellings, Settlements and Tradition. Co-edited with Jean-Paul Bourdier. University Press of America: New York, Lanham, and London, 1989.
• The Design and Planning of Housing. Editor. UPM Press: Dhahran & Houston, 1984.
• Streets of Islamic Cairo; A Configuration of Urban Themes and Patterns. Harvard University and Massachusetts Institute of Technology, AKP: Cambridge, 1981.