Calcutta trilogy

The Calcutta trilogy may refer to either of the following two Bengali film trilogies:

Three films by Satyajit Ray:
 * Pratidwandi (The Adversary) (1970)
 * Seemabaddha (Company Limited) (1971)
 * Jana Aranya (The Middleman) (1976)

Three films by Mrinal Sen:
 * Interview (1971)
 * Calcutta 71 (1972)
 * Padatik (The Guerilla Fighter) (1973)