Michel Raynal (born 1949), is a French computer scientist, active in the field of distributed computing. His main contributions concern the design of distributed algorithms, fault-tolerance of distributed computing systems (mainly focusing on the consensus problem), and distributed computability. He has been a professor at the University of Rennes (France) since 1984. He has co-authored numerous research papers on distributed computing, and has written 11 books. Since 2013, Michel Raynal has been "Adjunct Professor" at the Polytechnic University of Hong Kong.