Dustin Thomason is an American writer and producer who co-authored the New York Times bestselling historical fiction novel The Rule of Four with Ian Caldwell. The novel reached the top of the New York Times Best Seller list, where it remained for more than six months. The book was a number-one national and international bestseller and has been translated into more than 25 languages. It has sold more than four million copies worldwide and is the best selling debut novel of the decade. It is currently being developed by Warner Bros. as a feature film.

Thomason and Caldwell were members of the class of 1994 at Thomas Jefferson High School for Science and Technology in Fairfax County, Virginia. Thomason studied anthropology at Harvard University.