Roger Boltshauser (born 1964) is a Swiss architect and professor at the ETH Zurich.
He studied architecture at the Lucerne University of Applied Sciences and Arts between 1988 and 1990 and at the ETH Zurich between 1991 and 1995.
After graduating, he founded an architectural practice in Zürich in 1996 and worked as a research assistant at the Institute for the History and Theory of Architecture at gta Verlag.
Boltshauser taught as a design assistant at Lucerne University of Applied Sciences and Arts (1990–1991), as a design assistant to guest lecturer Peter Märkli at ETH Zurich and EPF Lausanne (1997–1999), as a lecturer at the University of Applied Sciences HTW Chur (2004–2010), as a lecturer at the Hochschule Anhalt Dessau DIA in the Studio Chur Institute of Architecture (2005–2009), as an expert in design and construction at the Lucerne University of Applied Sciences and Arts (2011–2014), as a visiting professor at the EPF Lausanne (2016–2017) and at the TU Munich (2017).
He has been teaching as a guest lecturer since 2018 and as a professor at ETH Zurich since 2024.