The Neurosciences Institute is a former American nonprofit scientific research organization.

Neurosciences Institute or Neuroscience Institute may also refer to: Helen Wills Neuroscience Institute at the University of California, Berkeley, U.S. Luria Neuroscience Institute in New York City, U.S. National Neuroscience Institute, Singapore Bangur Institute of Neurosciences, Bhawanipur, Kolkata, West Bengal, India Princeton Neuroscience Institute, at Princeton University, New Jersey, U.S. Netherlands Institute for Neuroscience Texas Neurosciences Institute, U.S. Mischer Neuroscience Institute, Texas, U.S. International Institute for Neuroscience of Natal National Institute of Neuroscience, Dhaka, Bangladesh Hoag Neurosciences Institute, Orange County, California, U.S.