Saya mau tau Diskografi dari Mikiho Niwa

I Don't Know (Geneon Entertainment, 23 Februari 2005) - Lagu tema di program televisi Nicomono!

Nicomono! (TV Osaka, April - September 2004)

Shabekuri 007 (Nippon TV, 20 April 2009)

Joseihan SASUKE Saikyou Bijo No.1 Ketteisen: Kunoichi 2009 (TBS TV, 7 Oktober 2009)

Tensou Sentai Goseiger (TV Asahi, 2010 - 2011) - Moune / Gosei Yellow

Samurai Sentai Shinkenger vs. Go-onger: Ginmaku Bang!! (Toei, 30 Januari 2010) - Gosei Yellow (suara)

Tensou Sentai Goseiger: Epic on the Movie (Toei, 7 Agustus 2010) - Moune / Gosei Yellow

Tensou Sentai Goseiger vs. Shinkenger: Epic on Ginmaku (Toei, 22 Januari 2011) - Moune / Gosei Yellow

Gokaiger Goseiger Super Sentai 199 Hero Daikessen (Toei, 11 Juni 2011) - Moune / Gosei Yellow

Kembalinya Tensou Sentai Goseiger: last epic (2011) - Moune / Gosei Yellow

Possicana? (CBC Radio Hyper Night (sekarang Sunday Teens Night, dengan THE Possible dan Shoko Okada)

House Foods: "Fullche Chehandy Type" (Februari 2008)

Gokujou!! Mecha Mote Iinchou (TV Tokyo, 26 September / 3 Oktober 2009)

"Nicola" (November 2003 - Mei 2006)

I Don't Know (23 Februari 2005) - lagu tema program televisi Nicomono!

Hajimemashite...Micky desu in Cebu Shima (Saibunkan, 28 Mei 2010)

"Niwa Mikiho Image DVD" (Toei Video, 21 Oktober 2010)

Mikiho marugoto (Saibunkan, 25 Juni 2010) ISBN 978-4-7756-0481-6

Tropical Rainbow (Shogakukan, 16 September 2010) ISBN 978-4-09-103086-3