Duplicity

Duplicity may refer to:


 * Duplicity (play), a 1781 comedy by Thomas Holcroft
 * Duplicity (Silent Descent album), 2000
 * Duplicity (Lee Konitz and Martial Solal album), 1978
 * Duplicity (film), a 2009 comedy thriller starring Clive Owen and Julia Roberts
 * Duplicity (law), when the charge on an indictment describes two different offences
 * Duplicity Remix EP, a 5-track EP by English trance metal band Silent Descent
 * "Duplicity" (Revenge), the fourth episode of the American television series Revenge
 * "Duplicity" (Smallville episode), an episode of Smallville
 * Duplicity (software), provides easy encrypted versioned remote backup of files