Citizenfour
- annos singulos: 2014
- Patriam: Germany, United Kingdom, United States of America
- genus: Documentary
- Studio: Praxis Films, Participant, HBO Documentary Films, JustFilms / Ford Foundation, The Bertha Foundation, RADiUS-TWC
- keyword: national security agency (nsa), information leak, woman director, investigative journalism, whistleblower, surveillance state, observational documentary, mass surveillance, crime documentary, wikileaks and surveillance, fbi surveillance
- Director: Laura Poitras
- cast: Edward Snowden, Glenn Greenwald, Laura Poitras, William Binney, Barack Obama, Jacob Appelbaum