Robert Joseph Cava (born 1951) is a solid-state chemist at Princeton University where he holds the title Russell Wellman Moore Professor of Chemistry. Previously, Professor Cava worked as a staff scientist at Bell labs from 1979–1996, where earned the title of Distinguished Member of the Technical Staff. As of 2016 his research investigates topological insulators, semimetals, superconductors, frustrated magnets and thermoelectrics.