| I, Gil-ha | Anime: Lance N' Masques |
| I, Dong-myeong | Anime: Tonkatsu DJ Agetarou |
| I. Hillmick, Miya | Anime: Code Geass: Hangyaku no Lelouch R2 |
| Ian, Thomas | Anime: Allison to Lillia |
| Ian, Maron | Anime: Inazuma Eleven |
| Ianeu, Temedes | |
| Iasant, Koudelka | |
| Iason, Heath | |
| Iba, Itsuki | Anime: Rental Magica |
| Iba, Tetsuzaemon | Anime: Bleach, Bleach Movie 1: Memories of Nobody, Bleach Movie 2: The DiamondDust Rebellion - Mou Hitotsu no Hyourinmaru, Bleach Movie 3: Fade to Black - Kimi no Na wo Yobu, Bleach KaraBuri!: Gotei Juusan Yatai Daisakusen!, Bleach: Sennen Kessen-hen, Bleach: Sennen Kessen-hen - Ketsubetsu-tan |
| Iba, Kaori | Anime: Maburaho |
| Iba, Akio | |
| Iba, Father (Oden-Shop's Oyaji) | Anime: Bartender |
| Iba, Fujishige | Anime: Tokyo Ghoul √A |
| Iba, Tooru | Anime: Nintama Rantarou |
| Iba, Hideomi | Anime: Sirius |
| Ibanez, Carmencita (Carmen, Captain) | Anime: Uchuu no Senshi, Starship Troopers: Invasion, Starship Troopers: Red Planet |
| Ibara, Mayaka | Anime: Hyouka, Hyouka: Motsubeki Mono wa |
| Ibara, Rinne | Anime: Pretty Rhythm: Rainbow Live, Pretty Rhythm Movie: All Star Selection - Prism Show☆Best Ten, Pretty Rhythm: All Star Selection |
| Ibara, Yuu | Anime: Ryuugajou Nanana no Maizoukin PV, Ryuugajou Nanana no Maizoukin |
| Ibara, Chisato (Momo) | Anime: Pretty Rhythm: Rainbow Live, Pretty Rhythm Movie: All Star Selection - Prism Show☆Best Ten, Pretty Rhythm: All Star Selection |
| Ibara, Kyouko | Anime: Otome wa Boku ni Koishiteru: Trinkle Stars The Animation (2022) |
| Ibarada, Ena | Anime: Rikei ga Koi ni Ochita no de Shoumei shitemita., Rikei ga Koi ni Ochita no de Shoumei shitemita. Heart |
| Ibaraen, Mimika | |
| Ibaragi, Soutetsu | Anime: Bakumatsu Kikansetsu Irohanihoheto |
| Ibaragi, Sakura | Anime: Figure 17: Tsubasa & Hikaru |
| Ibaragi, Shinichi | Anime: Figure 17: Tsubasa & Hikaru |
| Ibaragi, Kyoko | Anime: Figure 17: Tsubasa & Hikaru |
| Ibaragi, Nobara | |
| Ibaragi, Tanehiko | |
| Ibaraki, Kasen (Ibarakasen, Kasen Ibara, Ibaraki-douji) | |
| Ibaraki | Anime: Bakuman. 2nd Season |
| Ibaraki, Alice | |
| Ibaraki, Mark | Anime: 7 Seeds, 7 Seeds 2nd Season |
| Ibaraki, Keisuke | Anime: Kizuoibito |
| Ibarss, Sheila | Anime: Nozomanu Fushi no Boukensha |
| Ibata, Junzou | Anime: Shigatsu wa Kimi no Uso |
| Ibata, Kazuhiko | |
| Ibe, Shunichi | Anime: Banana Fish |
| Ibe, Sayuri (Eve) | Anime: Koisuru Asteroid |
| Ibekusa, Makina | |
| Ibert, Vanessa (009-3) | Anime: 009-1 |
| Ibil Noches, Bertia (Tia) | |
| Ibil Noches, Douglas | |
| Ibino, Katsuhiko | Anime: Offside (TV) |
| Ibino, Yoshihiko | Anime: Offside (TV) |
| Ibitani, Ryou | Anime: Yowamushi Pedal: Grande Road, Yowamushi Pedal Movie, Yowamushi Pedal: Re:Road |
| Iblīsbel, Aziz | Anime: Strike the Blood II, Strike the Blood III, Strike the Blood IV |
| Ibn Jubair, Aws | Anime: Journey: Taiko Arabia Hantou de no Kiseki to Tatakai no Monogatari |
| Ibrahim, Neyzan | |