Richard Robert Weber (born 25 February 1953) is a mathematician working in operational research. He is Emeritus Churchill Professor of Mathematics for Operational Research in the Statistical Laboratory, University of Cambridge. He works on the mathematics of large complex systems subject to uncertainty. He has made contributions to stochastic scheduling, Markov decision processes, queueing theory, the probabilistic analysis of algorithms, the theory of communications pricing and control, and rendezvous search.