Daniel Paul Tammet (born 31 January 1979) is a writer with high-functioning autistic savant syndrome. His bestselling 2006 memoir Born On A Blue Day was named a "Best Book for Young Adults" in 2008 by the American Library Association.

Tammets second book, Embracing the Wide Sky, was named one of Frances bestselling books of 2009 by the Express magazine in its March 2010 edition.