Semiosis is a 2018 science fiction novel by American writer and translator Sue Burke. It is her debut novel and is the first book of her Semiosis Duology series. It was first published in February 2018 in the United States by Tor Books, and in August 2018 in the United Kingdom by HarperVoyager. The book was translated into French by Florence Bury, and published in France in September 2019 by Albin Michel.