Mamiko has done the following roles in audio drama.

Clannad [CD]	Ichinose Kotomi
Gyarukan (Gal's Company) [CD]	Furuide Kyouko
Hayate X Blade (Hayate Cross Blade) [CD]	Inukami Isuzu
Idolm@ster Xenoglossia [CD]	Munakata Naze
Mahou Sensei Negima [CD]	Miyazaki Nodoka
Mai Hime Destiny [CD]	Kikukawa Yukino
Nogizaka Haruka no Himitsu [CD]	Nogizaka Haruka