Hausi A. Müller (born August 11, 1955 in Egg, Switzerland) is a Canadian computer scientist and software engineer.

He is a professor of computer science at the University of Victoria, British Columbia, Canada and a Fellow of the Canadian Academy of Engineering.

[2][3][4] He was the lead architect of Rigi, an end-user programmable environment for software analysis, exploration, and visualization.

[5][6] He was General Chair of the ACM/IEEE International Conference on Software Engineering (ICSE 2001) in Toronto.

He was Chair of IEEE Computer Society Technical Council on Software Engineering (TCSE) 2010-15.