Blindsight is a hard science fiction novel by Canadian writer Peter Watts, published by Tor Books in 2006. It won the Seiun Award for best translated novel and was nominated for the Hugo Award for Best Novel, the John W. Campbell Memorial Award for Best Science Fiction Novel, and the Locus Award for Best Science Fiction Novel. The story follows a crew of astronauts sent to investigate a trans-Neptunian comet dubbed "Burns-Caulfield" that has been found to be transmitting an unidentified radio signal, followed by their subsequent first contact. The novel explores themes of identity, consciousness, free will, artificial intelligence, neurology, and game theory as well as evolution and biology.

Peter Watts is a Canadian science fiction author. He specializes in hard science fiction. He earned a Ph.D from the University of British Columbia in 1991 from the Department of Zoology and Resource Ecology. He went on to hold several academic research and teaching positions, and worked as a marine-mammal biologist. He began publishing fiction around the time he finished graduate school.