- Kopple, Barbara1
- Korvin, Ottó1
- Koushakdjian, Mardiros1
- Krassó, György1
- Krejčí, Jaroslav1
- Krivitskii, Aleksandr IUrʹevich1
- Kvashnina, Inessa Mikhailovna1
- Kádár, János1
- Laks, Szymon1
- Landsmanis, Arturs1
- Lane, David Stuart1
- Lehnen, Robert G.1
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)1
- Lennauchfilm1
- Lewis, David1
- Litovskaia Kinostudiia1
- Littell, Robert1
- Loebl, Eugen1
- Lomax, William1
- Lotianu, Emil1