Perminder Sachdev AM FAHMS (born 1956) is a neuropsychiatrist based in Australia. He is the Scientia Professor of Neuropsychiatry at the University of New South Wales (UNSW), Australia, the director of the Centre for Healthy Brain Ageing (CHeBA), UNSW, and the Clinical Director of the Neuropsychiatric Institute (NPI) at the Prince of Wales Hospital, Sydney, Australia.