Ann Druyan (born June 13, 1949) is an American author and producer specializing in productions about cosmology and popular science. She made substantial contributions to the PBS documentary series Cosmos and is perhaps best known as the wife of late scientist and educator Carl Sagan.

As a scientist, Druyan was responsible for the selection of music on the Voyager Golden Record for the Voyager 1 and Voyager 2 exploratory missions. She also sponsored the Cosmos 1 spacecraft, which intended to demonstrate solar sail propulsion technology as a means of interstellar space travel. Unfortunately, The Cosmos 1 had a sub-orbital launch failure when the modified Soviet submarine missile used as a launch vehicle malfunctioned.