Walter Kaminsky (born May 7, 1941) is a German chemist. His research dwells in olefin polymerization, and also in plastic recycling. He discovered the high activity of Group 4 metallocene/methylaluminoxane (MAO) mixtures as catalysts for olefin polymerization in 1980.
He was awarded, among other prizes, the 1999 Benjamin Franklin Medal and the Hermann Staudinger Prize 2002.
Kaminsky was born in Hamburg, Germany and studied Chemistry at the University of Hamburg, in which he's full professor for Technical and Macromolecular Chemistry, since 1979.