Hermann Steller (born 25 April 1957) is the head of the Strang Laboratory of Apoptosis and Cancer Biology at The Rockefeller University, and a Fellow of the American Association for the Advancement of Science.
Steller pioneered the use of Drosophila as a genetic model for cell death research.
He described and characterized the first cell death genes in the fly, Reaper and Hid, and the first Drosophila caspase.