Barnett Rosenberg (16 November 1926 – 8 August 2009) was an American chemist best known for the discovery of the anti-cancer drug cisplatin. Rosenberg graduated from Brooklyn College in 1948 and obtained his PhD in physics at New York University (NYU) in 1956. He joined Michigan State University as a professor of biophysics in 1961 and worked there until 1997. He was awarded the Chemical Pioneer Award from the American Institute of Chemists in 1979, the Charles F. Kettering Prize in 1984 and the Harvey Prize in 1984.