Mamiko has done the following roles in anime.

Aa Megami-sama Sorezore no Tsubasa [2006]	Mishima Sayoko
Aa Megami-sama TV [2005]	Mishima Sayoko
Aa Megami-sama TV [2005]	Mishima Sayoko
Akame ga Kill [2014]	Shelle
AKB0048 [2012-2013]	8th Kojima Haruna
Akikan! [2009]	Yell
Angelic Layer [2001]	Kitahara Asuka
B Gata H Kei [2010]	Kosuda Kazuki
Boogie Pop Phantom [2000]	Tonomura Moto
Burn Up Scramble [2004]	Lilica Evett
Busou Shoujo Machiavellism [2017]	Fujibayashi Yukino
Clannad [2007-2008]	Ichinose Kotomi
Clannad After Story [2008-2009]	Ichinose Kotomi
Dororon Enma-kun Meeramera [2011]	Yukiko-hime
Elfen Lied	Yuka
Fairy Tail [2009-2013]	Mavis Vermilion
Full Metal Panic! [2001]	Kazama Shinji
Gunslinger Girl	Elsa
Hanasaku Iroha [2011]	Wajima Tomoe
Ichigo 100% TV [2005]	Toujou Aya
Ichigo Mashimaro	Ana Coppola
Idolmaster Xenoglossia	Munakata Naze
Jigoku Shoujo	Enma Ai
Joshikou (Girl's High)	Satou Ayano
Kaitou Tenshi Twin Angel (OVA)	Kannazuki Aoi
Kaitou Tenshi Twin Angel (TV) [2011]	Kannazuki Aoi
Kami-sama no Inai Nichiyoubi [2013]	Scar
Kampfer [2009]	Chissoku Norainu
Kannazuki no Miko	Ohta Reiko
Kanokon [2008]	Oyamada Kouta
Kiddy Grade [2002-2003]	Vendredi
Kimi Kiss [2007]	Shijou Mitsuki
Kono Subarashii Sekai ni Bakuen wo! [2023]	Yui Yui
Kubo-san ha Mobu wo Yurusanai [2023]	Shiraishi Yoshie
Kurogane no Linebarrels	Kizaki Eimi
Layton Kyouju to Eien no Utahime [2009]	Aroma
Love Live Superstar [2021-2022]	Kanon's mother
Machine Doll ha Kizutsukanai [2013]	Lisette Norden
Mahou Shoujo Lyrical Nanoha Vivid [2015]	Einhart Stratos
Mahou-sensei Negima (TV) [2005-2006]	Miyazaki Nodoka (27)
Mahou-sensei Negima Anime Final [2011]	Miyazaki Nodoka (27)
Maji Moji Rurumo [2014]	Shibaki's mother
Manyuu Hikenchou [2011]	Ouka
Maria-sama ga Miteru	Toudou Shimako
Mawaru Penguin Drum [2011]	Tokikago Yuri
Melody of Oblivion	Melody of Oblivion
Mezzo DSA	Hasegawa Aiko
Monster [2004-2005]	female reporter
Monster [2004-2005]	nurse
Monster [2004-2005]	Nina Fortner
Motto To LOVE Ru [2010]	Oshizu
Narue no Sekai [2003]	Nanase Narue
Narutaru	Sakura Akira
Netojuu no Susume [2017]	Morioka Moriko
No Game No Life [2014]	Feel Nilvalen
Nogizaka Haruka no Himitsu [2008-2009]	Nogizaka Haruka
Oda Nobuna no Yabou [2012]	Imagawa Yoshimoto
Onmyou Taisenki	Shoushi
Paranoia Agent	Sagi Tsukiko
Paranoia Agent {Ep. 9}	unnamed
Pitaten [2002]	woman
Princess Tutu	Freya
Qualidea Code [2016]	Yuunami Airi
Queen's Blade [2009]	Tomoe
Re:Zero kara Hajimeru Isekai Seikatsu [2016]	Elza
Rilu Rilu Fairilu Mahou no Kagami [2017]	Hanamura Karen
Rinne no Lagrange [2012]	Nakaizumi Youko
Rou Kyuu Bu [2011]	Hasegawa Nayu
Rou Kyuu Bu SS [2013]	Hasegawa Nayu
Saint Seiya Omega [2012-2013]	Aria
School Rumble	Tsukamoto Yakumo
Seitokai no Ichizon [2009]	Toudou Liricia
Sengoku Collection [2012]	Uesugi Kenshin
Shakugan no Shana [2005-2006]	Hecate
Shakugan no Shana II [2007-2008]	Konoe Fumina
Shakugan no Shana II [2007-2008]	Hecate
Shakugan no Shana III [2011-2012]	Hecate
Shinkyoku Soukai Polyphonica Crimson S [2009]	Mailreit
Smash Hit	Ikuta Mitsuki
Solty Rei	Axcela
Sora Yori mo Tooi Basho [2018]	Toudou Gin
Starship Operators [2005]	Wakaba Sanri
Taishou Yakyuu Musume [2009]	Souya Yuki
Tari Tari [2012]	Okita Shiho
To Aru Majutsu no Index [2008-2011]	Himegami Aisa
To Aru Majutsu no Index Endymion on Kiseki [2013]	Himegami Aisa
To LOVE Ru [2008]	Oshizu
To LOVE Ru Darkness [2012]	Oshizu
Tokyo Godfathers	Kiyoko (nurse)
Trinity Blood [2005]	Esther Blanchette
ViVid Strike [2016]	Einhard Stratos
Witchblade	Amaha Masane
X -Ekkusu- (TV) [2001-2002]	Monou Kotori
Yami to Boushi to Hon no Tabibito	Hatsuki
Zero no Tsukaima F [2012]	Tiffania Westwood
Zero no Tsukaima Futatsuki no Kishi [2007]	fairy