Naoko has done the following roles in audio drama.

Aa Megami-sama [CD]	Urd
Da Capo [CD]	Shirakawa Koyomi
Gall Force Earth Chapter Back to the school wars [CD]	Soundy
Kidou Senkan Nadesico Oshare Club [CD]	Ines Fresange
Lamune & 40 DX [CD]	Leska
Popful Mail The Next Generation [CD]	Cherry Typhoon
Scramble Wars "Yami no Labyrinth" Drama Hen [CD]	Sandi
Silent Mobius "Mobius Collage" [CD]	Katsumi Liqueur
Silent Mobius "Silent Lovers" [CD]	Katsumi Liqueur
Silent Mobius Original Drama Album "Danger" [CD]	Katsumi Liqueur
Sokkou Seitokai [CD]	Hattori Naoko
Utahime [CD]	Aeki Motoko