Martin Stratmann (born 20 April 1954 in Essen, Germany) is a German electrochemist and materials scientist.
He is one of the directors at the Max-Planck-Institut für Eisenforschung (Max-Planck-Institute for Iron Research) in Düsseldorf since 2000 and heads its department of Interface Chemistry and Surface Engineering.
Stratman has been president of the Max Planck Society since June 2014 after having been its vice president from 2008 to 2014.