<p>A friend's post over at the Super Champion Film Zone reminded me that a lot of well-known directors have made trilogies of one kind or another. Some are traditional trilogies, a film and two sequels, but in others there's a less direct link among the films - a location, a character, a theme. Some are planned, some are only appreciated by critics after the fact. Either way, they appear below if a single director was responsible for all three of the films. </p><p>To appear on the list, all three films must share the same director, all three films need to have actually been produced, and all three films need to be on letterboxd. I found several examples on a wikipedia page ("list of film series with three entries"), but the list there is enormous, and includes hundreds of trilogies that don't fit the criteria here.</p><p>The directors and trilogies are listed below. </p><p>1-3: Abbas Kiarostami's Koker Trilogy<br />4-6: Tengiz Abuladze's Georgian Historical Trilogy<br />7-9: Roy Andersson's Living Trilogy<br />10-12: Ingmar Bergman's Trilogy of Faith<br />13-15: Satyajit Ray's Apu Trilogy<br />16-18: Krzysztof Kieslowski's Three Colours Trilogy<br />19-21: Aki Kaurismaki's Proletariat Trilogy<br />22-24: Francis Ford Coppola's Godfather Trilogy<br />25-27: Mrinal Sen's Calcutta Trilogy<br />28-30: John Ford's Cavalry Trilogy<br />31-33: Howard Hawks' Western Trilogy<br />34-36: Wim Wenders' Road Movie Trilogy<br />37-39: Masaki Kobayashi's Human Condition Trilogy<br />40-42: Joao Cesar Monteiro's Joao de Deus Trilogy<br />43-45: Richard Linklater's Before Trilogy<br />46-48: Michelangelo Antonioni's Modern Alienation Trilogy<br />49-51: Wong Kar-Wai's Love Trilogy<br />52-54: Tsai Ming-liang's Taipei Trilogy<br />55-57: Lars von Trier's Europa Trilogy<br />58-60: Lars von Trier's Golden Heart Trilogy<br />61-63: Takashi Miike's Black Triad Trilogy<br />64-66: Takashi Miike's Dead or Alive Trilogy<br />67-69: Peter Greenaway's Tulse Luper Trilogy<br />70-72: Pier Paolo Pasolini's Trilogy of Life<br />73-75: Fritz Lang's Dr Mabuse Trilogy<br />76-78: Jean-Pierre Melville's Delon Trilogy<br />79-81: Luchino Visconti's German Trilogy<br />82-84: Hou Hsiao-hsien's Taiwan Trilogy<br />85-87: Edward Yang's Urban Trilogy<br />88-90: Park Chan-wook's Vengeance Trilogy<br />91-93: Yasujiro Ozu's Noriko Trilogy<br />94-96: Jean Cocteau's Orphic Trilogy<br />97-99: Carlos Saura's Dance Trilogy<br />100-102: Sergio Leone's Dollars Trilogy<br />103-105: Michael Haneke's Glaciation Trilogy<br />106-108: Dario Argento's Three Mothers Trilogy<br />109-111: Terry Gilliam's Trilogy of Imagination<br />112-114: Terry Gilliam's Trilogy of Americana<br />+ Terry Gilliam's Orwellian Trilogy (<i>Brazil</i>, <i>Twelve Monkeys</i>, <i>The Zero Theorem</i>) overlaps with the two trilogies included in the list<br />115-117: John Carpenter's Apocalypse Trilogy<br />118-120: Sam Raimi's Evil Dead Trilogy<br />121-123: Christopher Nolan's Dark Knight Trilogy<br />124-126: Oliver Stone's Vietnam War Trilogy<br />127-129: Peter Jackson's Lord of the Rings Trilogy<br />130-132: Gus van Sant's Death Trilogy<br />133-135: Alejandro Gonzalez Inarritu's Death Trilogy<br />136-138: Nicolas Winding Refn's Pusher Trilogy<br />139-141: Steven Soderbergh's Ocean's Trilogy<br />142-144: Robert Rodriguez's Mexico Trilogy<br />145-147: Bruce McDonald's Road Trilogy<br />148-150: Pang Brothers' Eye Trilogy<br />151-153: Hiroshi Inagaki's Samurai Trilogy<br />154-156: Godfrey Reggio's Qatsi Trilogy<br />157-159: Raoul Walsh's What Price Glory Trilogy<br />160-162: Lindsay Anderson's Mick Travis Trilogy<br />163-165: Cedric Klapisch's Auberge Espagnole Trilogy<br />166-168: Patrice Leconte's Les Bronzés Trilogy<br />169-171: Im Kwon Taek's General's Son Trilogy<br />172-174: Renato Castellani's Italian Neorealism Trilogy<br />175-177: Marta Meszaros' Diaries Trilogy<br />178-180: Mani Ratnam's Political Trilogy<br />181-183: Aktan Abdykalykov's Coming of Age Trilogy<br />184-186: Amos Gitai's Wadi Trilogy<br />187-189: Amos Gitai's Exile Trilogy<br />190-192: Amos Gitai's City Trilogy<br />193-195: Amos Gitai's Israel History Trilogy<br />196-198: Amos Gitai's Frontier Trilogy<br />199-201: Theo Angelopoulos' Trilogy of History<br />202-204: Theo Angelopoulos' Trilogy of Silence<br />205-207: Theo Angelopoulos' Trilogy of Borders<br />208-210: John Ford's Will Rogers Trilogy<br />211-213: Zeki Demirkubuz's Dark Tales Trilogy<br />214-216: Semih Kaplanoglu's Yusuf Trilogy<br />217-219: Andrzej Wajda's War Trilogy<br />220-222: Roberto Rossellini's War Trilogy<br />223-225: Roman Polanski's Apartment Trilogy<br />226-228: Tsai Ming-liang's Urban Alienation Trilogy<br />229-231: King Hu's Inn Trilogy<br />232-234: Lucio Fulci's Gates of Hell Trilogy<br />235-237: Dario Argento's Animal Trilogy<br />238-240: James Benning's California Trilogy <br />241-243: David Lynch's Los Angeles Trilogy<br />244-246: Gregg Araki's Teenage Apocalypse Trilogy<br />247-249: Léos Carax's Alex Trilogy<br />250-252: Bob Rafelson's Dysfunctional Family Trilogy<br />253-255: Ken Loach's West of Scotland Trilogy<br />256-258: Lucas Belvaux's Trilogie<br />259-261: Steven Spielberg's Running Man Trilogy<br />262-264: Penelope Spheeris' Decline of Western Civilzation Trilogy<br />265-267: James Gray's New York Crime Trilogy<br />268-270: Lars von Trier's Depression Trilogy<br />271-273: Coen Brothers' Idiot Trilogy<br />274-276: John Frankenheimer's Paranoia Trilogy<br />277-279: Hou Hsiao-hsien's Coming of Age Trilogy<br />280-282: Pedro Costa's Fontainhas Trilogy<br />283-285: Alfred Hitchcock's Apartment Trilogy<br />286-288: Lisandro Alonso's Lonely Man Trilogy<br />289-291: Ismael Rodriguez's Trilogy of Bittersweet Poverty<br />292-294: Felipe Cazals' Violence Trilogy<br />295-297: Rainer Werner Fassbinder's BRD (Bundesrepublik Deutschland) Trilogy<br />298-300: Seijun Suzuki's Taisho Trilogy<br />301-303: Miguel Gomes' Arabian Nights Trilogy<br />304-306: Ritwik Ghatak's Partition Trilogy<br />307-309: Yoshishige Yoshida's Trilogy of Japanese Radicalism<br />310-312: Alexander Dovzhenko's Ukraine Trilogy<br />313-315: Vsevolod Pudovkin's Revolutionary Trilogy<br />316-318: Deepa Mehta's Elements Trilogy<br />319-321: Ludmil Staikov's Khan Asparukh Trilogy<br />322-324: Jerzy Hoffman's Henryk Sienkiewicz Trilogy<br />325-327: Kim Ki-Young's Housemaid Trilogy<br />328-330: Jean-Claude Brisseau's Female Sexuality Trilogy<br />331-333: Terence Davies' The Terence Davies Trilogy<br />334-336: Bill Douglas' The Bill Douglas Trilogy<br />337-339: Rudolf Thome's Time Travel Trilogy<br />340-342: Dominik Graf's Melodramas Trilogy<br />343-345: Thomas Arslan's Berlin Trilogy<br />346-348: Romuald Karmakar's Club Land Trilogy<br />349-351: Klaus Lemke's Leidenschaften Trilogy<br />352-354: Chang Cheh's One-Armed Swordsman Trilogy<br />355-357: Edgar Wright's Cornetto Trilogy<br />358-360: The Wachowskis' The Matrix Trilogy<br />361-363: Robert Zemeckis' Back to the Future Trilogy<br />364-366: Peter Jackson's The Hobbit Trilogy<br />367-369: Andrew Lau and Alan Mak's Infernal Affairs Trilogy<br />370-372: Sion Sono's Hate Trilogy<br />373-375: Zhang Yimou's Wuxia Trilogy<br />376-378: Edgar Reitz's Heimat Trilogy<br />379-381: Baz Luhrmann's Red Curtain Trilogy<br />382-384: Brett Ratner's Rush Hour Trilogy<br />385-387: Akio Jissoji's Buddhist Trilogy<br />388-390: Liu Chia-Liang's 36th Chamber Trilogy<br />391-393: Shigehiro Ozawa's Street Fighter Trilogy<br />394-396: Kazuhiko Yamaguchi's Karate Trilogy<br />397-399: Ann Hui's Vietnam Trilogy<br />400-402: Patricio Guzman's The Battle of Chile Trilogy<br />403-405: Whit Stillman's Whit Stillman Trilogy<br />406-408: Guillermo del Toro's Trilogia<br />409-411: Nacer Khemir's Desert Trilogy<br />412-414: Luca Guadagnino's Trilogy of Desire<br />415-417: Ulrich Seidl's Paradise Trilogy<br />418-420: Juan Antonio Bayona's Mother-Child Trilogy<br />421-423: Sergei Parajanov's Caucasian Trilogy<br />424-426: Philippe Garrel's Trilogy of Love<br />427-429: Barbet Schroeder's Trilogy of Evil<br />430-432: Roberto Rossellini's Fascist Trilogy<br />433-435: Satyajit Ray's Calcutta Trilogy<br />436-438: Sam Raimi's Spider-Man Trilogy<br />439-441: Jean-Pierre Melville's Resistance Trilogy<br />442-444: Jose Mojica Marins' Coffin Joe Trilogy<br />445-447: Bigas Luna's Iberian Trilogy<br />448-450: Herschell Gordon Lewis' Blood Trilogy<br />451-453: Sergio Leone's Once Upon a Time Trilogy<br />454-456: Takeshi Kitano's Outrage Trilogy<br />457-459: Takeshi Kitano's Surrealist Autobiographical Trilogy<br />460-462: Richard Fleischer's Capital Punishment Trilogy<br />463-465: Frank Henenlotter's Basket Case Trilogy<br />466-468: Hrafn Gunnlaugsson's Raven Trilogy<br />469-471: Fernando Di Leo's Milieu Trilogy<br />472-474: Nikita Mikhalkov's Burnt by the Sun Trilogy<br />475-477: Ousmane Sembene's Rebel Trilogy<br />478-480: Hirokazu Kore-eda's Family Values Trilogy<br />481-483: Shinya Tsukamoto's Tetsuo Trilogy<br />484-486: Keishi Otomo's Rurouni Kenshin Trilogy<br />487-489: Federico Fellini's Trilogy of Loneliness<br />490-492: Jia Zhangke's Hometown Trilogy<br />493-495: Christian Petzold's Trilogy of Love in the Time of Oppressive Systems<br />496-498: Hal Hartley's Long Island Trilogy<br />499-501: Hal Hartley's Henry Fool Trilogy<br />502-504: Frantisek Vlacil's Medieval Trilogy<br />505-507: Otakar Vavra's Hussite Trilogy<br />508-510: Jean Renoir's Trilogy of Spectacle<br />511-513: Alan Pakula's Paranoia Trilogy<br />514-516: Ingmar Bergman's Faro Trilogy<br />517-519: Celine Sciamma's Coming of Age Trilogy<br />520-522: Mohsen Makhmalbaf's Poetic Trilogy<br />523-525: M Night Shyamalan's Eastrail 177 Trilogy<br />526-528: Mark Donskoy's Maxim Gorky Trilogy<br />529-531: Jacques Becker's Paris Youth Trilogy<br />532-534: Lucrecia Martel's Salta Trilogy<br />535-537: Richard Lester's Musketeers Trilogy<br />538-540: Metin Erksan's Property Trilogy<br />541-543: Omer Lutfi Akad's Migration Trilogy<br />544-546: Nuri Bilge Ceylan's Provincial Trilogy<br />547-549: Dervis Zaim's Traditional Turkish Arts Trilogy<br />550-552: William Lustig's Maniac Cop Trilogy<br />553-555: Nicolas Winding Refn's Neon Trilogy<br />556-558: Nobuhiko Obayashi's Onomichi Trilogy<br />559-561: Aleksandr Sokurov's WWII Leaders Trilogy<br />562-564: Quentin Tarantino's Revisionist History Trilogy<br />565-567: Sergei Eisenstein's Revolution Trilogy<br />568-570: Vishal Bhardwaj's Shakespeare Trilogy<br />571-573: Pedro Almodovar's Directors Trilogy<br />574-576: Ruggero Deodato's Cannibal Trilogy<br />577-579: Aki Kaurismaki's Finland Trilogy<br />580-582: Axel Corti's Where To and Back Trilogy<br />583-585: Sean Baker's Sex Worker Trilogy<br />586-588: Yuliya Solntseva's Ukrainian Trilogy<br />589-591: Zack Snyder's DC Trilogy<br />592-594: Antonio Margheriti's EuroWar Trilogy<br />595-597: Martin Scorsese's Trilogy of Faith<br />598-600: Terrence Malick's Weightless Trilogy<br />601-603: Ang Lee's Father Knows Best Trilogy<br />604-606: Kenji Misumi's Sword Trilogy<br />607-609: Nobuhiko Obayashi's Anti-War Trilogy<br />610-612: Richard Sidey's Speechless Trilogy<br />613-615: Barbara Hammer's History Trilogy<br />616-618: Robert Altman's Gothic Trilogy<br />619-621: Joachim Trier's Oslo Trilogy<br />622-624: Francis Veber's Richard-Depardieu Trilogy<br />625-627: Marilou Diaz Abaya's Feminist Trilogy<br />628-630: Yoji Yamada's Samurai Trilogy<br />631-633: Paul Schrader's Man in a Room Trilogy<br />634-636: Pablo Larrain's Pinochet Trilogy<br />637-639: Margarida Cordeiro and Antonio Reis Trilogy<br />640-642: Jan Schmidt's Adventure Trilogy<br />643-645: Kevin Smith's Clerks Trilogy<br />646-648: Jean-Luc Godard's Trilogy of the Sublime<br />649-651: Laura Poitras' 9/11 Trilogy<br />652-654: Wang Bing's Youth Trilogy<br />655-657: M Night Shyamalan's Terror Trilogy<br />658-660: Soi Cheang's Monkey King Trilogy<br />661-663: Pablo Larrain's 20th Century Women Trilogy<br />664-666: Dag Johan Haugerud's Sex Dreams Love Trilogy<br />667-669: Tarik Saleh's Cairo Trilogy<br />670-672: Hiroshi Shimizu's Beehive Trilogy<br />673-675: Laurence Olivier's Shakespeare Trilogy<br />676-678: Akira Kurosawa's Shakespeare Trilogy<br />679-681: Roberto Rossellini's Solitude Trilogy<br />682-684: Sergio Corbucci's Mud and Blood Trilogy<br />685-687: Basu Bhattacharya's Marriage Trilogy<br />688-690: Bernardo Bertolucci's Oriental Trilogy<br />691-693: Martin Scorsese's Greed Trilogy<br />694-696: Fatih Akin's Love, Death, and the Devil Trilogy<br />697-699: Mabel Cheung Yuen-Ting's Migration Trilogy<br />700-702: Luis Bunuel's Search for Truth Trilogy<br />703-705: Elio Petri's Trilogy of Neurosis<br />706-708: Jonas Carpignano's Calabrian Trilogy<br />709-711: Alice Rohrwacher's Trilogy of the Past<br />712-714: Fabrice du Welz's Ardennes Trilogy<br />715-717: Vivek Agnihotri's Files Trilogy<br />718-720: Lijo Jose Pellissery's Spiritual Trilogy<br />721-723: Makoto Shinkai's Disaster Trilogy<br />724-726: Ben Rivers' Urthworks Trilogy</p><p>The order of the list is almost random right now, I might try to find some more logical order later. Suggestions and corrections welcome!</p>