| I My Strawberry Eggs | Comedy,Drama,Romance,School Life,Slice of Life,Sports | 13 |
| ICE | Action,Drama,Sci-fi | 3 |
| IGPX | Drama,Mecha,Sci-fi,Shounen,Sports | 26 |
| IS : Infinite Stratos | Action,Mecha,Sci-fi,Shounen | 12 |
| Iblard Jikan | Fantasy | 1 |
| Ichi Pound No Fukuin | Action,Romance,Sports | 1 |
| Ichiban Ushiro No Daimaou | Comedy,Ecchi,Fantasy,Romance,School Life,Shounen | 12 |
| Ichigo 100% Original DVD Animation | Comedy,Ecchi,Harem,Romance,School Life,Shounen | 4 |
| Ichigo 100% Special | Ecchi,Harem,Romance,Shounen | 1 |
| Ichigo 100% | Action,Comedy,Romance | 12 |
| Ichigo Mashimaro OVA | Comedy,School Life,Slice of Life | 3 |
| Ichigo Mashimaro Encore | Comedy,Slice of Life | 2 |
| Ichigo Mashimaro | Comedy,Slice of Life | 12 |
| Idol Master Xenoglossia | Action,Mecha,Sci-fi | 26 |
| Ie Naki Ko | Adventure,Drama,Historical,Slice of Life,Tragedy | 51 |
| Igano Kabamaru | Action,Comedy,Martial Arts,Romance,School Life,Sports | 24 |
| Iketeru Futari | Comedy,Ecchi,Romance | 16 |
| Ikki Tousen ~ Dragon Destiny | Action,Ecchi,Martial Arts,School Life | 12 |
| Ikkitousen: Great Guardians | Action,Ecchi,Martial Arts,School Life | 18 |
| Ikkitousen: Xtreme Xecutor | Action,Ecchi,Martial Arts | 12 |
| Ikkitousen | Action,Ecchi,Martial Arts,School Life | 13 |
| Ima, Soko Ni Iru Boku | Adventure,Drama,Sci-fi | 13 |
| Inazuma Eleven | Sports | 127 |
| Infinite Ryvius | Drama,Mecha,Military,Psychological,Sci-fi,Space | 26 |
| Initial D 3Rd Stage Movie | Drama,Slice of Life,Sports | 1 |
| Initial D First Stage | Drama,Shounen,Sports | 26 |
| Initial D Fourth Stage | Drama,Shounen,Sports | 24 |
| Initial D Second Stage | Drama,Shounen,Sports | 13 |
| Innocent Venus | Action,Adventure,Drama,Mecha,Military,Sci-fi | 12 |
| Inuyasha: Kanketsu-Hen | Action,Adventure,Comedy,Fantasy,Romance,Shounen,Supernatural | 26 |
| Inuyasha | Action,Adventure,Comedy,Fantasy,Historical,Romance,Shounen,Supernatural | 167 |
| Inukami! The Movie | Action,Comedy,Ecchi,Harem | 1 |
| Inukami! | Action,Comedy,Ecchi,Magic,Romance | 26 |
| Inuyasha Movie 1: The Love That Transcends Time | Action,Adventure,Comedy,Drama,Fantasy,Historical,Romance,Supernatural | 1 |
| Inuyasha Movie 2: Castle Beyond The Looking Glass | Action,Adventure,Comedy,Fantasy,Romance,Supernatural | 1 |
| Inuyasha Movie 3: Sword Of World Conquest | Action,Adventure,Comedy,Fantasy,Romance,Supernatural | 1 |
| Inuyasha Movie 4: Fire On Mystic Island | Action,Adventure,Supernatural | 1 |
| Ippatsu Kikimusume | Action,Comedy,Ecchi,Seinen | 16 |
| Iria: Zeiram The Animation | Action,Adventure,Sci-fi,Space | 6 |
| Iriya No Sora, UFO No Natsu | Drama,Romance,Sci-fi | 6 |
| Iron Man | Action,Mecha | 12 |
| Irregular Hunter X: The Day Of Sigma | Action,Mecha,Sci-fi,Shounen | 1 |
| Irresponsible Captain Tylor | Adventure,Comedy,Military,Sci-fi,Space | 26 |
| I``S Pure Bonus | Comedy,Ecchi,Romance | 5 |
| I``S Pure | Comedy,Drama,Ecchi,Romance,School Life | 6 |
| Isekai No Seikishi Monogatari | Adventure,Mecha | 13 |
| Itazura Na Kiss | Comedy,Romance,School Life,Shoujo | 25 |
| Izumo | Adventure,Drama,Fantasy,Martial Arts,Romance,Supernatural | 12 |
