Ikue Otani is a Japanese voice actress and singer, most famous for providing the voice of Pikachu in Pokémon. She took pregnancy leave from her work from January to May 2006, but her voice credit for Pikachu did not change, as her voice has been recorded many times.
| Movie | Detective Conan: The Truth of 17 Years Ago | Mitsuhiko Tsuburaya (voice) | 2025-09-10 |
| Movie | Detective Conan: One-Eyed Flashback | Mitsuhiko Tsuburaya (voice) | 2025-04-18 |
| Movie | Shinsei Galverse | RanRan (voice) | 2025-06-25 |
| Movie | Case Closed: The Million-Dollar Pentagram | Mitsuhiko Tsuburaya (voice) | 2024-04-12 |
| Movie | Ghost Cat Anzu | Pi-Pi-chan (voice) | 2024-07-19 |
| Series | 航海王:鱼人岛篇特别编辑版 | 配音 | 2024-10-27 |
| Series | Okaimono Panda! | Okaimono Panda (voice) | 2024-11-06 |
| Series | Puniru Is a Kawaii Slime | Runru / DX Runrune (voice) | 2024-10-06 |
| Movie | Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train | Mitsuhiko Tsuburaya (voice) | 2023-01-06 |
| Movie | Pokémon - The Journey of One Dream | Pikachu (voice) | 2023-02-28 |
| Series | Kuromi's Pretty Journey | 2023-02-17 | |
| Series | The Family Circumstances of the Irregular Witch | Doku-Koala (voice) | 2023-10-01 |
| Series | Pokémon Horizons | Captain Pikachu (voice) | 2023-04-14 |
| Movie | Detective Conan: Kaiju Gomera vs. Kamen Yaiba | Mitsuhiko Tsuburaya (voice) | 2022-01-07 |
| Series | Pokémon: The Arceus Chronicles | Pikachu (voice) | 2022-01-21 |
| Movie | Detective Conan: The Bride of Halloween | Mitsuhiko Tsuburaya (voice) | 2022-04-15 |
| Movie | PERSONA5 the Stage #4 FINAL | Morgana (Voice) | 2022-10-23 |
| Movie | One Piece Film Red | Tony Tony Chopper (voice) | 2022-08-06 |
| Movie | Detective Conan: Love Story at Police Headquarters ~Wedding Eve~ | Mitsuhiko Tsuburaya (voice) | 2022-05-13 |
| Series | 航海王:和之国总集篇 | 配音 | 2021-01-01 |
| Movie | PERSONA5 the Stage #3 | Morgana (Voice) | 2021-12-19 |
| Movie | Detective Conan: The Scarlet Bullet | Mitsuhiko Tsuburaya (voice) | 2021-04-16 |
| Movie | PERSONA5 the Stage #2 | Morgana (Voice) | 2020-10-04 |
| Movie | Over the Sky | Gimon (voice) | 2020-11-27 |
| Movie | Pokémon the Movie: Secrets of the Jungle | Pikachu (voice) | 2020-12-25 |
| Movie | Korasho no Kaitei Wakuwaku Daibouken! Movie | 2019-02-01 | |
| Movie | One Piece: Stampede | Tony Tony Chopper (voice) | 2019-01-03 |
| Movie | Doraemon: Nobita's Chronicle of the Moon Exploration | Aru (voice) | 2019-03-01 |
| Movie | Case Closed: The Fist of Blue Sapphire | Mitsuhiko Tsuburaya (voice) | 2019-04-12 |
| Movie | PERSONA5 the Stage | Morgana (voice) | 2019-12-29 |
| Movie | Pokémon the Movie: Mewtwo Strikes Back - Evolution | Pikachu (voice) | 2019-07-12 |
| Movie | Patalliro! The Movie | (voice) | 2019-06-28 |
| Movie | Pokémon Detective Pikachu | Pikachu (voice) | 2019-05-03 |
| Series | PERSONA5 the Animation | Morgana / Mona (voice) | 2018-04-08 |
| Movie | Case Closed: Zero the Enforcer | Mitsuhiko Tsuburaya (voice) | 2018-04-13 |
| Series | Onmyouji: Heian Monogatari | 小白 (voice) | 2018-07-04 |
| Movie | One Piece: Episode of Skypiea | Tony Tony Chopper (voice) | 2018-08-25 |
| Movie | Pokémon the Movie: The Power of Us | Pikachu (voice) | 2018-07-13 |
| Movie | Detective Conan: Episode One - The Great Detective Turned Small | Mitsuhiko Tsuburaya (voice) | 2017-01-20 |
| Movie | Mary and The Witch's Flower | Tib (voice) | 2017-07-08 |
| Movie | Case Closed: The Crimson Love Letter | Mitsuhiko Tsuburaya (voice) | 2017-04-15 |
| Movie | Pokémon the Movie: I Choose You! | Pikachu (voice) | 2017-07-15 |
| Movie | One Piece Episode of East Blue | Tony Tony Chopper (voice) / Sanji (Child) (voice) | 2017-08-26 |
| Movie | One Piece Film Gold: Episode 0 | Tony Tony Chopper (voice) | 2016-07-02 |
| Series | One Piece Characters Log | Tony Tony Chopper | 2016-06-20 |
| Movie | Detective Conan: The Darkest Nightmare | Mitsuhiko Tsuburaya (voice) | 2016-04-16 |
| Movie | Pokémon the Movie: Volcanion and the Mechanical Marvel | Pikachu (voice) | 2016-07-16 |
| Series | The Morose Mononokean | Yahiko | 2016-06-28 |
| Movie | One Piece Film: GOLD | Tony Tony Chopper (voice) | 2016-07-23 |
| Movie | PERSONA5 the Animation - THE DAY BREAKERS - | Morgana / Mona (voice) | 2016-09-03 |
| Movie | One Piece: The Great Treasure of Tongari Island | Tony Tony Chopper (voice) | 2016-11-01 |
| Movie | One Piece: Heart of Gold | Tony Tony Chopper (voice) | 2016-12-31 |
| Movie | Love & Peace | Ikue Otani (voice) | 2015-06-26 |
| Series | ISUCA | Nami Shimazu (voice) | 2015-01-24 |
| Movie | Pikachu and the Pokémon Music Squad | Pikachu (voice) | 2015-07-18 |
| Movie | Detective Conan: Sunflowers of Inferno | Mitsuhiko Tsuburaya (voice) | 2015-04-18 |
| Movie | Pokémon the Movie: Hoopa and the Clash of Ages | Pikachu (voice) | 2015-07-18 |
| Movie | One Piece: Adventure of Nebulandia | Tony Tony Chopper (voice) | 2015-12-20 |
| Movie | Isuca: Gokuraku | Nami Shimazu (voice) | 2015-08-26 |
| Movie | One Piece Episode of Sabo: The Three Brothers' Bond - The Miraculous Reunion and the Inherited Will | Tony Tony Chopper (voice) | 2015-08-22 |
| Movie | Pikachu, What's This Key? | Pikachu (voice) | 2014-07-19 |
| Movie | Detective Conan: The Sniper from Another Dimension | Mitsuhiko Tsuburaya (voice) | 2014-04-19 |
| Movie | Pokémon the Movie: Diancie and the Cocoon of Destruction | Pikachu (voice) | 2014-07-19 |
| Movie | The Last: Naruto the Movie | Konohamaru (voice) | 2014-12-06 |
| Movie | The Disappearance of Conan Edogawa: The Worst Two Days in History | Mitsuhiko Tsuburaya (voice) | 2014-12-26 |
| Movie | One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends | Tony Tony Chopper (voice) | 2014-12-31 |
| Movie | Detective Conan: Private Eye in the Distant Sea | Mitsuhiko Tsuburaya (voice) | 2013-04-19 |
| Movie | Pokémon: Mewtwo - Prologue to Awakening | Pikachu (voice) | 2013-07-11 |
| Movie | Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!! | Tony Tony Chopper (voice) | 2013-04-07 |
| Movie | Pretty Cure All Stars New Stage 2: Friends from the Heart | Candy (voice) | 2013-03-15 |
| Movie | Pokémon: Eevee & Friends | Pikachu (voice) | 2013-07-13 |
| Movie | Lupin the Third vs. Detective Conan: The Movie | Mitsuhiko Tsuburaya (voice) | 2013-12-07 |
| Movie | One Piece Episode of Merry: The Tale of One More Friend | Tony Tony Chopper (voice) | 2013-12-31 |
| Movie | Pokémon the Movie: Genesect and the Legend Awakened | Pikachu (voice) | 2013-07-13 |
| Movie | Detective Conan: The Eleventh Striker | Mitsuhiko Tsuburaya (voice) | 2012-04-14 |
| Movie | Meloetta's Moonlight Serenade | Pikachu (voice) | 2012-06-14 |
| Movie | Pretty Cure All Stars New Stage: Friends of the Future | Candy | 2012-03-17 |
| Series | Poyopoyo | Poyo (voice) | 2012-01-08 |
| Movie | Sing Meloetta: Search for the Rinka Berries | Pikachu (voice) | 2012-07-03 |
| Movie | GOTHICMADE | Love | 2012-01-11 |
| Series | Glitter Force | Candy (voice) | 2012-02-05 |
| Movie | One Piece: Glorious Island | Tony Tony Chopper (voice) | 2012-12-23 |
| Movie | Pokémon the Movie: Kyurem vs. the Sword of Justice | Pikachu (voice) | 2012-07-13 |
| Movie | One Piece: Episode of Luffy - Hand Island Adventure | Tony Tony Chopper (voice) | 2012-12-15 |
| Movie | One Piece Film: Z | Tony Tony Chopper (voice) | 2012-12-15 |
| Series | Strange Steel Fairy Rouran | Itezuki (voice) | 2012-07-27 |
| Movie | Smile Precure! The Movie: Big Mismatch in a Picture Book! | Candy (voice) | 2012-10-25 |
| Movie | Detective Conan: Quarter of Silence | Mitsuhiko Tsuburaya (voice) | 2011-04-16 |
| Movie | One Piece 3D: Straw Hat Chase | Tony Tony Chopper (voice) | 2011-03-19 |
| Movie | Buddha: The Great Departure | Tatta (voice) | 2011-05-28 |
| Movie | Pokémon the Movie: White - Victini and Zekrom | Pikachu (voice) | 2011-07-16 |
| Movie | Pokémon the Movie: Black - Victini and Reshiram | Pikachu (voice) | 2011-07-16 |
| Movie | One Piece 3D: Gekisou! Trap Coaster | Tony Tony Chopper (voice) | 2011-12-01 |
| Movie | One Piece Episode of Alabasta Prologue | Tony Tony Chopper (voice) | 2011-08-20 |
| Movie | Detective Conan OVA 10: Kid in Trap Island | Mitsuhiko Tsuburaya | 2010-04-14 |
| Movie | Detective Conan: The Lost Ship in the Sky | Mitsuhiko Tsuburaya (voice) | 2010-04-17 |
| Movie | HeartCatch PreCure! the Movie: Fashion Show in the City of Flowers!? | Olivier / Loup-Garou (voice) | 2010-10-30 |
| Movie | Pokémon: Zoroark - Master of Illusions | Pikachu (voice) | 2010-07-10 |
| Movie | Pokémon: Arceus and the Jewel of Life | Pikachu (voice) | 2009-07-18 |
| Movie | Detective Conan: The Raven Chaser | Mitsuhiko Tsuburaya (voice) | 2009-04-18 |
| Movie | One Piece Film: Strong World | Tony Tony Chopper (voice) | 2009-12-12 |
| Movie | One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom | Tony Tony Chopper (voice) | 2008-03-01 |
| Movie | Detective Conan: Full Score of Fear | Mitsuhiko Tsuburaya (voice) | 2008-04-19 |
| Movie | One Piece: Romance Dawn Story | Tony Tony Chopper (voice) | 2008-09-21 |
| Movie | Pokémon: Giratina and the Sky Warrior | Pikachu (voice) | 2008-07-19 |
| Movie | One Piece: The Desert Princess and the Pirates: Adventure in Alabasta | Tony Tony Chopper (voice) | 2007-03-03 |
| Movie | Detective Conan: Jolly Roger in the Deep Azure | Mitsuhiko Tsuburaya (voice) | 2007-04-21 |
| Series | Naruto Shippūden | Konohamaru Sarutobi | 2007-02-15 |
| Movie | Pokémon: The Rise of Darkrai | Pikachu (voice) | 2007-07-14 |
| Movie | Cinnamon the Movie | 2007-12-22 | |
| Movie | Pikachu's Exploration Club | Pikachu (voice) | 2007-08-01 |
| Movie | Pokémon: The Mastermind of Mirage Pokémon | Pikachu (voice) | 2006-04-29 |
| Movie | Detective Conan: The Private Eyes' Requiem | Mitsuhiko Tsuburaya (voice) | 2006-04-15 |
| Movie | Pikachu's Ocean Adventure | 2006-05-20 | |
| Movie | Pokémon Ranger and the Temple of the Sea | Pikachu (voice) | 2006-07-15 |
| Movie | Detective Conan: Strategy Above the Depths | Mitsuhiko Tsuburaya (voice) | 2005-04-09 |
| Movie | One Piece: Baron Omatsuri and the Secret Island | Tony Tony Chopper (voice) | 2005-03-05 |
| Movie | Pokémon: Lucario and the Mystery of Mew | Pikachu (voice) | 2005-07-16 |
| Movie | Zatch Bell! Attack of Mechavulcan | Gash Bell (voice) | 2005-08-06 |
| Movie | One Piece Special: The Detective Memoirs of Chief Straw Hat Luffy | Tony Tony Chopper (voice) | 2005-12-18 |
| Movie | One Piece: Curse of the Sacred Sword | Tony Tony Chopper (voice) | 2004-03-06 |
| Movie | Zatch Bell! 101st Devil | Gash Bell (voice) | 2004-07-09 |
| Movie | Detective Conan: Magician of the Silver Sky | Mitsuhiko Tsuburaya (voice) | 2004-04-17 |
| Movie | Pokémon: Destiny Deoxys | Pikachu (voice) | 2004-07-22 |
| Series | Destiny of the Shrine Maiden | 早乙女マコト / Makoto Saotome | 2004-10-01 |
| Movie | One Piece: Dead End Adventure | Tony Tony Chopper (voice) | 2003-03-01 |
| Series | Ashita no Nadja | Rita Rossi | 2003-02-02 |
| Movie | One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream! | Tony Tony Chopper (voice) | 2003-04-06 |
| Series | Zatch Bell! | Gash Bell (voice) | 2003-04-06 |
| Movie | One Piece Special: Protect! The Last Great Stage | Tony Tony Chopper (voice) | 2003-12-14 |
| Movie | Pokémon: Gotta Dance! | Pikachu (voice) | 2003-07-19 |
| Movie | Pokémon: Jirachi - Wish Maker | Pikachu (voice) | 2003-07-19 |
| Movie | Detective Conan: Crossroad in the Ancient Capital | Mitsuhiko Tsuburaya (voice) | 2003-04-19 |
| Series | Tokyo Underground | Shiel Messiah (voice) | 2002-04-02 |
| Movie | One Piece: Dream Soccer King! | Tony Tony Chopper (voice) | 2002-03-02 |
| Movie | One Piece: Chopper's Kingdom on the Island of Strange Animals | Tony Tony Chopper (voice) | 2002-03-02 |
| Movie | Detective Conan: The Phantom of Baker Street | Mitsuhiko Tsuburaya (voice) | 2002-04-20 |
| Movie | Camp Pikachu | Pikachu / Sunnygo (voice) | 2002-07-13 |
| Series | Gate Keepers 21 | Ayane Isuzu (voice) | 2002-04-24 |
| Movie | Pokémon Heroes | Pikachu (voice) | 2002-07-13 |
| Series | Naruto | Konohamaru Sarutobi | 2002-10-03 |
| Movie | Case Closed: Countdown to Heaven | Mitsuhiko Tsuburaya (voice) | 2001-04-21 |
| Movie | Pokémon 4Ever | Pikachu (voice) | 2001-07-06 |
| Movie | Pikachu's PikaBoo | Pikachu (voice) | 2001-07-07 |
| Movie | Pokémon: Mewtwo Returns | Pikachu (voice) | 2001-08-17 |
| Movie | Pokémon 3: The Movie | Pikachu (voice) | 2000-07-08 |
| Movie | Detective Conan: Captured in Her Eyes | Mitsuhiko Tsuburaya (voice) | 2000-04-22 |
| Movie | Escaflowne: The Movie | Merle (voice) | 2000-06-24 |
| Movie | Pikachu & Pichu | Pikachu (voice) | 2000-07-08 |
| Movie | Magical DoReMi Sharp: The Movie | Hana Makihatayama (voice) | 2000-07-08 |
| Movie | Luffy's Fall! The Unexplored Region - Grand Adventure in the Ocean's Navel | Meroie (voice) | 2000-12-20 |
| Movie | Pichu & Pikachu's Winter Vacation 2001 | Pikachu (voice) | 2000-12-22 |
| Movie | Ah! My Goddess: The Movie | Sora Hasegawa (voice) | 2000-10-21 |
| Movie | Detective Conan: The Last Wizard of the Century | Mitsuhiko Tsuburaya (voice) | 1999-04-17 |
| Series | I'm Gonna Be An Angel! | Lucca | 1999-04-07 |
| Movie | Pokémon: Pikachu's Rescue Adventure | Pikachu (voice) | 1999-07-17 |
| Movie | Pokémon the Movie 2000 | Pikachu (voice) | 1999-07-17 |
| Series | One Piece | Tony Tony Chopper (voice) | 1999-10-20 |
| Movie | Pokémon: Pikachu's Winter Vacation 2 | Pikachu (voice) | 1999-12-22 |
| Series | Trouble Chocolate | Almond | 1999-10-09 |
| Series | Shadow Skill | Kyuo Ryu (voice) | 1998-07-02 |
| Movie | Case Closed: The Fourteenth Target | Mitsuhiko Tsuburaya (voice) | 1998-04-18 |
| Series | Ninja Resurrection | Brother (voice) | 1998-02-27 |
| Movie | Pikachu's Vacation | Pikachu / Tosakinto (voice) | 1998-07-18 |
| Movie | Martian Successor Nadesico: The Motion Picture - Prince of Darkness | Yukina Shiratori | 1998-08-08 |
| Series | Super Doll★Licca-chan | Catherine | 1998-10-06 |
| Movie | Pokémon: The First Movie | Pikachu (voice) | 1998-07-18 |
| Series | Popolocrois Monogatari | Papū | 1998-10-04 |
| Series | Toki no Daichi: Hana no Oukoku no Majo | (voice) | 1998-12-22 |
| Series | Pokémon | Pikachu (voice) | 1997-04-01 |
| Series | Variable Geo | Manami Kusonoki | 1997-01-09 |
| Series | Haunted Junction | Teke Teke (voice) | 1997-04-02 |
| Movie | Detective Conan: The Time Bombed Skyscraper | Mitsuhiko Tsuburaya (voice) | 1997-04-19 |
| Series | Next War Chronicle Ehrgeiz | Ann | 1997-10-02 |
| Series | The Vision of Escaflowne | Merle (voice) | 1996-04-02 |
| Series | Hime-chan's Ribbon | Himeko Nonohara / Erika | 1996-07-08 |
| Series | Detective Conan | Mitsuhiko Tsuburaya (voice) | 1996-01-08 |
| Movie | Shadow Skill: The Movie | Kyuo Lyu | 1996-09-01 |
| Series | Midori no Makibaō | Makibako | 1996-03-09 |
| Movie | Kindaichi Case Files Movie 1: The Opera House Murders | Rio Kanai (voice) | 1996-12-14 |
| Series | Twin Signal | Mini Signal (voice) | 1996-09-21 |
| Series | Jewel BEM Hunter Lime | 1996-10-25 | |
| Series | Martian Successor Nadesico | Yukina Shiratori (voice) | 1996-10-01 |
| Movie | Twin Signal: Family Game | 1996-09-21 | |
| Series | Zenki | Ako (voice) | 1995-01-09 |
| Movie | Shadow Skill: Epilogue | Kyuo Lyu (voice) | 1995-10-25 |
| Series | Wedding Peach | Akira Tamano | 1995-04-05 |
| Series | Nekketsu Saikyō Go-Saurer | 1993-03-03 | |
| Series | Miracle Girls | Reiko (voice) | 1993-01-08 |
| Series | Oh! My Goddess | Sora Hasegawa (voice) | 1993-02-21 |
| Series | Matchless Passion Go-Saurer | Takako 'Professor' Kojima / Yuka Mizuhara (voice) | 1993-03-03 |
| Movie | Kiss Me on the Apple of My Eye | Sumire (voice) | 1993-08-27 |
| Series | Energetic Explosion Ganbaruger | 1992-04-01 | |
| Movie | 21-Emon: To Space! The Barefoot Princess | モンガー | 1992-03-07 |
| Series | Nangoku Shounen Papuwa-kun | コタロー | 1992-10-10 |
| Movie | Keroppi in the Christmas Eve Gift | Koroppi Hasunoue (voice) | 1992-11-01 |
| Movie | I am Devilman, the Devil! | Sayaka (voice) | 1991-02-20 |
| Series | 21 Emon | Mongā | 1991-05-02 |
| Series | Genji Tsuushin Agedama | Kodama Heike (voice) | 1991-10-04 |
| Movie | My Neighbor Totoro | Additional Voices (voice) | 1988-04-16 |
| Series | Fight! Kickers | Kiyoshi Hara (voice) | 1986-10-15 |