Josef Bille (20 September 1944 - 1 July 2023) was a German physicist.
Born in Neuenkirchen), Bille studied physics at Karlsruhe Institute of Technology in Germany.
From 1974 to 1978 he worked for the company Hoechst AG.
From 1986 to 1991 Bille worked at the University of California.
He founded five companies in Heidelberg and United States.