Secrecy is a 2008 documentary film directed by Harvard University professors Peter Galison and Robb Moss about the vast, invisible world of government secrecy. 

The film competed in the Documentary Competition at the 2008 Sundance Film Festival and at the Berlin Film Festival, among many other venues.

The film was the winner of the Special Jury Award for Documentary Features at the Independent Film Festival, Boston and was named Best Documentary at the Newport International Film Festival.