Simon Sadler (British, b. 1968 in Solihull, West Midlands) is Professor of Architectural and Urban History in the Art History Program at the University of California, Davis. Formerly a Lecturer in Architectural History at the University of Nottingham. His publications study the architectural ideas of the Archigram group, the Situationists, and other experimental practices since 1945.
- Archigram: Architecture without Architecture, Cambridge, Mass.: MIT Press, 2005 
- (edited with Jonathan Hughes), Non-Plan: Essays on Freedom, Participation and Change in Modern Architecture and Urbanism, Oxford: Architectural Press, 2000 
- The Situationist City, Cambridge, Mass.: MIT Press, 1998 
- Shortlisted for the 2008 Bruno Zevi Award presented by International Committee of Architectural Critics (CICA)
- "An Architecture of the Whole," Journal of Architectural Education, vol. 61, no. 4, 2008, pp. 108-129.
- "Drop City Revisited," Journal of Architectural Education, vol. 58, 2006.
- "Portrait of the Architect as a Young Man," Art History, vol. 26, no. 4, September 2003.
- "Everyday People," Prototypo, vol. 4, no. 7, August 2002.
- "The Brutal Birth of Archigram," Twentieth Century Architecture no. 6, London: Twentieth Century Society, 2002.
- "The Invisible University," arq (Architectural Research Quarterly), vol. 6, no. 2, 2002.
- "Archigram and Technocracy," Universal versus Individual: the Architecture of the 1960s, Conference Proceedings 2002, Jyväskylä: Alvar Aalto Academy, 2002