| K-Films Amerique | Montreal | — | 1 |
| K-Star | — | — | 1 |
| K. Sera Sera | Mumbai | — | 4 |
| Kaap Holland Film | Amsterdam | 2015 | 20 |
| Kadokawa Daiei Studio | Tamagawa, Fujimi | April 2013 | 3 |
| Kadokawa Key-Process | Chiyoda | 1954 | 3 |
| Kaissar Film | Munich | 2008 | 2 |
| Kalejdoskop Film Studio | Warsaw | 1988 | 1 |
| Kalem Company | New York City | 1907 | 30 |
| Kalyana Shira Films | — | — | 2 |
| Kamakshi Movies | India | 1987 | 5 |
| Kamerafilm | — | — | 2 |
| Kamerafirma The Camera House Oy | Riihimäki | November 16, 2016 | 1 |
| Kan 11 | Israel | May 15, 2017 | 1 |
| Kanbar Entertainment | — | 2002 | 1 |
| Kandor Graphics | Granada | 1992 | 1 |
| Kanif - Productions tous terrains | Montreal | — | 1 |
| Kantana Group | Bangkok | 1951 | 1 |
| Kanteerava Studios | Bengaluru | 1966 | 6 |
| KAOS | Cologne | — | — |
| Kaos Films | — | 2001 | — |
| Karagiannis-Karatzopoulos | Greece | 1966 | 32 |
| Kargin Studio | — | August 9, 2004 | 1 |
| Kartemquin Films | Chicago | — | 3 |
| Kasander & Wigman Productions | — | — | 1 |
| Kaspien Holdings, Inc. | Albany | December 1972 | 2 |
| Kassikuld | — | — | 3 |
| Katalyst Media | Los Angeles | 2000 | 1 |
| Katapult Film | — | — | 1 |
| Katharina | — | — | 2 |
| Kavithalayaa Productions | Chennai | 1981 | 35 |
| Kay-Bee Pictures | — | 1912 | 1 |
| Kazak Productions | — | July 6, 2007 | 6 |
| Kazhcha Chalachithra Vedi | — | 2001 | — |
| KBS Media | KBS Media Center | 1991 | — |
| KC Medien | Munich | — | 1 |
| Kediripedia.com | Kediri | 2015 | 3 |
| Kell Kümme | — | 2003 | — |
| Kendrick Brothers | Albany | — | 1 |
| Keshet | Israel | 1993 | 1 |
| KeyFilm | Amsterdam | 2008 | 6 |
| KG Productions | — | — | 3 |
| Khara | Shōan | May 17, 2006 | 5 |
| Kidari Studio | — | — | — |
| Kids' WB | Burbank | September 9, 1995 | 1 |
| Kiev Square Group | Moscow | 1992 | 1 |
| Kievnauchfilm | Kyiv | 1941 | 14 |
| Kigali Films | London | — | 1 |
| Killer Films | New York City | 1995 | 78 |
| Killer Minnow | — | 2008 | — |
| Kim Ki-duk Film | Gyeonggi Province | 2001 | 17 |
| Kindai Eiga Kyokai | Tokyo | July 31, 1950 | 8 |
| Kinderfilm | Erfurt | 2000 | — |
| Kinescope Film | Bremen | — | 2 |
| King Brothers Productions | — | 1941 | 16 |
| King Features Syndicate | New York City | 1915 | 9 |
| Kino Films | Roppongi, Nishi-Shinjuku | April 2011 | — |
| Kino Lorber | New York City | 1977 | 1 |
| Kino Montreal | Montreal | 2001 | 1 |
| KinoAtis | — | June 23, 2004 | 2 |
| Kinokompanii︠a︡ "Andreevskiĭ flag" | Moscow | 2003 | 4 |
| Kinology | Paris | 2008 | 1 |
| Kinos Rentals | Helsinki | July 30, 2015 | 1 |
| Kinotaurus | — | — | 2 |
| Kinoteka | — | 2009 | 1 |
| Kintop Pictures | Los Angeles | — | 1 |
| KION | — | — | 1 |
| Kirch Group | Munich | 1955 | 2 |
| Kisi Production | Reykjavík | February 22, 2011 | 2 |
| Kitano Agency | Todoroki | 2021 | 1 |
| Kjeruben | Arendal Municipality | — | 1 |
| Klappboxfilme | — | 2006 | — |
| Klasky Csupo | Los Angeles | 1982 | 4 |
| KlikFilm Productions | — | 2021 | 4 |
| Klikk Productions | — | — | 1 |
| Klockworx | Tokyo | January 24, 1997 | 2 |
| KNIFE! Films | — | — | 2 |
| Knight Enterprises | Ottawa | — | — |
| KNM | — | — | 1 |
| Knowledge Network | Vancouver | January 12, 1981 | 1 |
| Kohinoor Film Company | — | 1918 | 3 |
| Kokers Films | Kerala | 1985 | 11 |
| Kokuei | Ginza | August 22, 1958 | 16 |
| Koliba Film | — | — | 1 |
| Komeetta | Torkkelinmäki | — | 2 |
| Kommunenes Filmcentral | — | 1919 | 8 |
| KOMPAN | Moscow | 1989 | 1 |
| Komplizen Film | Munich | — | 4 |
| Komuna | — | — | 1 |
| Konami | Tokyo | March 21, 1969 | 3 |
| Kong Ngee Motion Picture Production Company | — | 1955 | 1 |
| Konstantin Märska Filmproduktsioon | — | — | 1 |
| Kopelson Entertainment | West Hollywood | — | 1 |
| Koppfilm Productions | Berlin | — | 1 |
| Kordes & Kordes Film | Berlin | 2003 | 2 |
| Korean Academy of Film Arts | — | 1984 | 45 |
| Korean Arts Movie Studio | — | — | 1 |
| Kosovafilm | Pristina | 1969 | 1 |
| Koulev Film | Sofia | — | 1 |
| Kowalski Films | San Sebastián | — | 17 |
| Košutnjak film (Firm) | Belgrade | 2005 | — |
| KPA Planning | — | — | 1 |
| KQED | San Francisco | June 1953 | 1 |
| Kriim | — | — | 2 |
| Kritanjoli Films | — | — | 1 |
| KRO-NCRV | Hilversum | 2014 | 2 |
| Kross Pictures | — | — | 2 |
| Kroyer Films | — | 1986 | 1 |
| Krup Productions | — | — | 1 |
| KS Pictures | Los Angeles | 2015 | — |
| KTH | — | — | 22 |
| Kudos | London | 1992 | 6 |
| Kulturtuben | — | 1985 | 1 |
| Kultusfilm | — | — | 1 |
| Kurhaus production | Baden-Baden | — | 1 |
| Kyoto Animation | Japan, Uji | 1981 | 6 |
| Köggull Filmworks | — | — | 1 |