Series Beginning with I
- I am a Hero
- I am Sorry, I Love You
- I Doll U
- I My Me! Strawberry Egg
- I shared my Husband
- I Turn
- I"s
- I'll/CKBC
- I'm glad I could keep running (Hashiri Tsuzukete Yokattatte.)
- I'm home
- I-Chu
- I/O
- Ice
- Ichiban Ushiro no Daimao
- Ichigeki Sacchu!! HoiHoi-san
- Ichigo 100%
- ICO - Kiri no nakano Senritsu (Melody in the Mist)
- ICS Saiu Kokusai Daigaku A-tou 302gou
- Iczer-One
- ID:INVADED
- Idaten
- Idol Angel Yokoso Yoko
- IDOL BEAMS
- Idol Damashii The Hustle
- Idol Factory
- Idol Golden Legend
- Idol Kyogaku Eizo Collection
- Idol Memories
- Idol One
- Idol Tamago
- Idol x Warrior Miracle Tunes!
- IDOLiSH7
- Idoljihen
- IDOLY PRIDE
- Ie naki ko Remi (Remi, Nobody's Girl)
- Ie Uru Onna
- Ii Onna
- iii Icecrin
- Iiris
- Ijinkan Garo
- Ijiranaide Nagatoro-San
- ijouseibutsu Kenbunroku
- Ike! Inachu Takkyu bu
- Ikea
- Ikebukuro West Gate Park
- Ikemen desune
- Ikemen Revolution
- Ikemen Sengoku Toki wo Kakeru Koi
- Ikemen Sobaya Tantei
- Ikemen Vampire Ijin Tachi to Koi no Yuwaku
- Iki mo Dekinai Natsu
- Ikki Tousen
- Ikoku Meiro no Croisee
- Ima Kara Anata Wo Kyohaku Shimasu
- Ima, Ai ni Yukimasu
- Ima, Soko ni Iru Boku
- Imawa no Kuni no Alice
- Imo Tako Nankin
- Imoto de Iko!
- Imoto sae Ireba Ii.
- In Hand
- In Red
- Inai Inai Baa!
- Inari, Konkon, Koi Iroha.
- Inazuma Delivery
- Inazuma Eleven
- Indigo no Yoru
- Inemuri Iwane Edo Zoshi Kagerou no Tsuji
- Infini-T Force
- Infinite Dendrogram
- infinite RYVIUS
- Ingress
- Initial D
- Inko Gakuen
- Innocence Enzaibengoshi
- Innocent Love
- Innocent Venus
- Ino Battle wa Nichijokei no Naka de
- Inochi no Genba kara
- Inpei Sosa
- Inside Out
- Interlude
- Inu Boku Secret Service
- Inu to Hasami wa Tsukaiyo
- Inu to neko docchi mo katteru to mainichi tanoshii
- Inu wo Kau to Iukoto
- Inugami-san to Nekoyama-san
- Inukami!
- Inuyasha
- Inuyashiki
- Invented inference (Kyoko Suiri)
- Investor:Z
- Iriya no Sora, UFO no Natsu (Forever Blue)
- Irodorimidori
- Iron Man
- Irresponsible Captain Tylor Series
- Iryu - Team Medical Dragon
- Iryu Sosa
- Is -Infinite Stratos-