Album thu âm

• 1998: Brothers [39]
• 1999: Songbird
• 2002: Trip Trip
• 2003: Remember Me
• 2004: Uta ga Chikara
• 2006: Aigakikoeru: Listen for the Love
• 2008: The Voice
• 2008: Fairy Dance: Kokia Meets Ireland
• 2008: Christmas Gift
• 2009: Kokia Infinity Akiko: Balance
• 2009: Akiko Infinity Kokia: Balance
• 2010: Real World
• 2010: outwork collection 「p i e c e s」 [40]
• 2010: "Bungaku Shoujo" Memories Soundtrack I - Yumemiru Shoujo no Zensoukyoku [41]
• 2011: Moment
• 2013: Where to go my Love? [42]

Album tự sản xuất

• 2006: Pearl: The Best Collection
• 2008: Kokia Complete Collection 1998-1999
• 2009: Coquillage: The Best Collection II
• 2010: Musique a la Carte (cover album)
• 2011: Pieces
• 2012: Kokoro Bakari

Những đĩa đơn xếp hạng 50

• 1998: "Tears in Love" [43]
• 1998: "Ai no Rinkaku" [44]
• 1998: "Itoshite Irukara" [45]
• 1999: "Arigatou..." [46]
• 2001: "Tomoni" [47]
• 2001: "Tenshi" [48]
• 2001: "Say Hi!!" [49]
• 2002: "Ningenttesonnamonone" [50]
• 2003: "Kawaranai Koto (Since 1976)"
• 2003: "The Power of Smile/Remember the Kiss"
• 2004: "So Much Love for You"
• 2004: "Yume ga Chikara"
• 2005: "Time to Say Goodbye" [51]
• 2005: "Dandelion" [52]
• 2006: "Ai no Melody/Chōwa Oto (With Reflection)"
• 2007: "Follow the Nightingale"
• 2007: "Arigatō..." [53]
• 2008: "Tatta Hitotsu no Omoi"
• 2009: "Karma"
• 2009: "Transparent" [54]
• 2010: "Road to Glory~long journey~" [55]
• 2010: "Fate" [56]
• 2011: "Sakura no Ki no Shita/Hikari no Hou he" [57]
• 2012: "New Day, New Life"
• 2012: "Hikari o Atsumete"
• 2012: "Memorial Days"
• 2012: "Yume Tsuinin/Ita Gakkan Koutougakkou Kouka" [58]
• 2013: "Kioku no Hikari" [59]
• 2013: "Battle of Destiny" [60]