Nicolas Jean Cerf (born 1965) is a Belgian physicist. He is professor of quantum mechanics and information theory at the Université Libre de Bruxelles and a member of the Royal Academies for Science and the Arts of Belgium. He received his Ph.D. at the Université Libre de Bruxelles in 1993, and was a researcher at the Université de Paris 11 and the California Institute of Technology. He is the director of the Center for Quantum Information and Computation at the Université Libre de Bruxelles.