Maria V. Chekhova (born 1963) is a Russian-German physicist known for her research on quantum optics and in particular on the quantum entanglement of pairs of photons. She is a researcher at the Max Planck Institute for the Science of Light in Erlangen, Germany, where she heads an independent research group on quantum radiation,[1] and a professor at the University of Erlangen–Nuremberg, in the chair of experimental physics (optics).[2]