Series A to Z
- U-Jin Kojin Jugyo J.C. Staff 1
- U.K. Film Council 1
- U.S. Acres Garfield and Friends 121
- U.S. Department of Agriculture 1
- U.S. of Archie S-Z 16
- U.S. Office Of Civil Defense 1
- Uchi Kubo Blue Noah Westcape Corporation 1
- Uchi No 3 Shimai Tôei Company 1
- Uchi no Tama Shirimasen ka Sony Music Entertainment 1
- Uchi Senshi Baldios Kokusai Eigasha 1
- Ucho No Stellvia Foundation II 1
- Uchu Densetsu Ulysses 31 TMS Entertainment 26
- Uchû Êsu Tatsunoko Productions 52
- Uchû Kaizoku Mito no Daibôken Sunrise 13
- Uchu Kishi Tekkaman Tatsunoko Productions 1
- Uchû Patrol Hoppa Tôei Company 44
- Uchû Senkan Yamato Office Academy 26
- Uchû Shônen Soran TCJ Productions 17
- Uchu Taitei God Sigma Tôei Company 1
- Uchûjin Pipi Tokyo TV Dôga 1
- Uchûsen Sagittarius Nippon Animation 77
- UFA 16
- UFO Robo Grendizer Tôei Company 1
- UFO Senshi Dai Apollon Eiken 1
- Ugly Americans Cuppa Coffee Animation 14
- Uill Animation 1
- Uki Creative Conspiracy 54
- Ukraine Film 6
- Ukranimafilm 16
- Ultimate Book of Spells BKN New Media 26
- Ultimate Muscle 4 Kids Entertainment 57
- Ultimate Spider-Man Marvel Productions 104
- Ultraforce Amazin' Adventures II 13
- Ulysses 31 Kideo TV 26
- Ulysses Filmproduktion 11
- Umatik Entertainment 1
- Umeboshi Denka TMS Entertainment 1
- Umi No Triton Animation Staff Room 27
- Umi no Yami, Tsuki no Kage Visual 80 1
- Umka Soyuzmultfilm 2
- Un Trésor Dans Mon Jardin Les Productions Tooncan 14
- Uncle Croc's Block S-Z 1
- Uncle George Kiwi Animations 1
- Uncle Grandpa Cartoon Network Studios 148
- Uncle Moondog McLefty Productions 2
- Uncle Remus Kine Komedy Kartoons 3
- Undercover Elephant C.B. Bears 13
- Underdog The Underdog Show 124
- The Underdog Show Total Television Productions 1
- Undergrads MTV Productions 13
- The Undersea Adventures Of Captain Nemo Rainbow Animation 48
- The Underseas Explorers Fred Ladd 1
- Unfocused Films 1
- Unicorn Projects 2
- Unified Pictures 1
- Union Générale Cinématographique 1
- Unité Centrale 3
- United Artists 10
- United Multymedia Projects 4
- Université du Québec à Montréal Colleges and Universities 1
- University of California Colleges and Universities 14
- University of North Texas Colleges and Universities 1
- University of Southern California Colleges and Universities 5
- University of the Arts Colleges and Universities 2
- University of York Colleges and Universities 1
- Unknown or Unaffiliated 178
- Unnatural History Bray Productions 16
- Unproduced Cartoons Famous Studios 2
- Unproduced Shorts Shorts 69
- Unsupervised Floyd County Productions 1
- The Untouchables of Elliot Mouse BRB Internacional 26
- UPA Columbia Pictures 22
- Upstairs Downstairs Bears FilmFair 25
- Uran 1
- Urania Film 1
- Urban Project 2
- Urban Trading Company 9
- Urban Vermin Decode Entertainment 16
- Urda Third Reich Romanov Films 1
- Urikupen Kyûjotai Tatsunoko Productions 1
- Urmel Ravensburger Film + TV 26
- Urusei Yatsura Kitty Film 218
- Urutora Bi Shin-Ei Animation 119
- Us Fellers Bray Productions 12
- Ushastik I Ego Druz'ya Ekran 5
- Ushio to Tora Pastel House 1
- Ushiro no Hyakutaro Pierrot Project 1
- Utah Valley University Colleges and Universities 1
- Utsukishiki Sei no Dendoshi Rei Rei KSS 1
- UTV Motion Pictures 1
- Uzbek Kino 111
- Uzbektelefilm 1
- Üzenet A Jövőből Pannónia Filmstúdió 13