George Herbert Green (16 November 1916–4 March 2001), B.A., BSc, M.B., Ch.B., (D.Obs. R.C.O.G.), M.R.C.O.G.(Lond.), was a New Zealand Obstetrician and Gynaecologist who led the National Women's Hospital Cervical Cancer Unit as Professor through the 1960s and 1970s and became notorious for conducting an alleged unethical experiment that was the subject of the Cartwright Inquiry.