Martin Kusch (born 19 October 1959)[1] is Professor of philosophy at the University of Vienna.

Until 2009, Kusch was Professor of Philosophy and Sociology of science at the Department of History and Philosophy of Science at Cambridge University.

Prior to Cambridge, Kusch was lecturer in the Science Studies Unit of the University of Edinburgh.

Kusch's wide-ranging contributions to philosophy reflect both systematic and historical interests and cut across traditional disciplinary divides.

Kusch has also made important contributions to science and technology studies, particularly in the field of the sociology of scientific knowledge.