Michael Weiss (born 1955) is a German mathematician.
He is currently Professor at the University of Münster.
His research is on algebraic topology and differential topology.
In work with Ib Madsen, he resolved the Mumford Conjecture about rational characteristic classes of surface bundles in the limit as the genus tends to infinity.His Ph.D.
was completed in 1982 at the University of Warwick under the supervision of Brian Sanderson.In 2006, he was awarded the Fröhlich Prize.