KOKIA: Single

29/04/1998	Aishiteiru Kara (愛しているから)
	1.	Aishiteiru Kara (愛しているから)
	2.	You
	3.	Aishiteiru Kara (Original Instrumental) (愛しているから)
	4.	You (Original Instrumental)

18/11/1998	Tears in Love
	1.	Tears in Love
	2.	Blue Night
	3.	Tears in Love (Backing Track)
	4.	Blue Night (Backing Track)

23/05/2001	tomoni
	1.	tomoni
	2.	Yes I Know

13/09/2001	Say Hi!!
	1.	Say Hi!!
	2.	Mokuji (目次)

21/11/2001	Tenshi (天使)
	1.	Tenshi (天使)
	2.	Whisper

23/01/2002	Ningen tte Sonna Mono ne (人間ってそんなものね)
	1.	Ningen tte Sonna Mono ne (人間ってそんなものね)
	2.	Mou Aisenai (もう愛せない)
	3.	MOONLIGHT SHADOW

21/05/2003	Kawaranai Koto ~since1976~ (かわらないこと)
	1.	Kawaranai Koto ~since1976~ (かわらないこと)
	2.	tell tell Bouzu (tell tell坊主)
	3.	Kawaranai Koto ~since1976~ (Instrumental Version) (かわらないこと ~since1976~)
	4.	tell tell Bouzu (Instrumental Version) (tell tell坊主)

24/09/2003	The Power of Smile / Remember the kiss
	1.	The Power of Smile
	2.	Remember the kiss
	3.	The Power of Smile (Instrumental Version)
	4.	Remember the Kiss (Instrumental Version)

21/04/2004	so much love for you
	1.	so much love for you
	2.	New season ~Yume ni Mukatte Fuku Kaze~ (夢に向かって吹く風)
	3.	i Shiteru (iしてる)
	4.	so much love for you ~Instrumental Version~

23/06/2004	Yume ga Chikara (夢がチカラ)
	1.	Yume ga Chikara (夢がチカラ)
	2.	Ningyo no Yume (人魚の夢)
	3.	Yume ga Chikara (Instrumental Version) (夢がチカラ)

23/02/2005	dandelion
	1.	dandelion
	2.	Boku no Kimochi (僕の気持ち)
	3.	dandelion (Instrumental Version)

21/07/2005	time to say goodbye
	1.	time to say goodbye
	2.	Shiawase no Hanataba (幸せの花束)
	3.	time to say goodbye (duet "KOKIA & Piano")
	4.	Yuukyuu no Mori ~My Home Town~ (悠久の杜)

01/01/2006	Ai no Melody / Cyouwa oto ~with reflection~ (愛のメロディー / 調和 oto ~with reflection~)
	1.	Ai no Melody (original version) (愛のメロディー)
	2.	Cyouwa oto ~with reflection~ (調和 oto)
	3.	Ai no Melody (soundtrack ver.) (愛のメロディー)
	4.	Ai no Melody (instrumental) (愛のメロディー)

16/03/2007	Arigatou... (ありがとう…) (Reprint)
	1.	Arigatou... (ありがとう...)
	2.	Aishiteiru Kara (Sincerely Version) (愛しているから)
	3.	Arigatou... (Backing Track) (ありがとう...)
	4.	Aishiteiru Kara (Sincerely Version) (Backing Track) (愛しているから)

21/11/2007	Follow the Nightingale
	1.	Follow the Nightingale
	2.	say goodbye & good day
	3.	Follow the Nightingale (Instrumental)
	4.	say goodbye & good day (Instrumental)

28/01/2008	Tatta Hitotsu no Omoi (たった1つの想い)
	1.	Tatta Hitotsu no Omoi (たった1つの想い)
	2.	Umaretate no Shiro (生まれたての白)
	3.	Tatta Hitotsu no Omoi (たった1つの想い) (Instrumental)
	4.	Umaretate no Shiro (生まれたての白) (Instrumental)

03/12/2008	Love Tears (Digital)
	1.	Arigatou... (ありがとう… ) (from KOKIA 2007)
	2.	"Watashi ni Dekiru Koto" (「私にできること」)
	3.	Nukumori ~aigakikoeru~ (ぬくもり～aigakikoeru～) (with strings)
	4.	Remember the kiss ~Dedicated to "New" NY~

22/04/2009	KARMA (Digital)
	1.	KARMA
	2.	Insonnia
	3.	KARMA (Instrumental)
	4.	Insonnia (Instrumental)

05/08/2009	Kimi wo Sagashite (君をさがして) / Last love song (Digital single)
	1.	Kimi wo Sagashite (君をさがして)
	2.	Last love song
	3.	What a wonderful world
	4.	Kurumarete (クルマレテ)

26/08/2009	Transparent (Digital single)
	1.	Transparent
	2.	Chinmoku (沈黙)
	3.	Transparent (Instrumental)
	4.	Chinmoku (沈黙) (Instrumental)

18/11/2009	single mother / Christmas no Hibiki (クリスマスの響き) (Digital single)
	1.	single mother
	2.	Christmas no Hibiki (クリスマスの響き)
	3.	Smile (Charlie Chaplin cover)
	4.	Shiroi Inu to Odoru Yoru (白い犬と踊る夜)

17/03/2010	Kodoku na Ikimono (孤独な生きもの) / Ano Hi no Watashi ni (あの日の私に) (Digital single)
	1.	Kodoku na Ikimono (孤独な生きもの)
	2.	Ano Hi no Watashi ni (あの日の私に)
	3.	Kokoro no Kisetsu (心の季節)
	4.	The Long and Winding Road (Beatles cover)

26/05/2010	Fate (Digital single)
	1.	Fate
	2.	Omoi (ヲモイ)
	3.	Fate (Instrumental)
	4.	Omoi (ヲモイ) (Instrumental)

27/04/2011	Sakura no Ki no Shita (桜の樹の下) / Hikari no Hou e (光の方へ) (Digital single)
	1.	Sakura no Ki no Shita (桜の樹の下)
	2.	Hikari no Hou e (光の方へ)
	3.	Sakura no Ki no Shita (桜の樹の下) (Instrumental)
	4.	Hikari no Hou e (光の方へ) (Instrumental)

23/11/2011	Sekai wo Tsutsumu Ribbon in our heart (世界を包むRibbon in our heart) (Digital Single)
	1.	Sekai wo Tsutsumu Ribbon in our heart (世界を包むRibbon in our heart)

25/01/2012	Memorial days (Digital Single)
	1.	Memorial days
	2.	0 Kara no Hajimari (0からの始まり)
	3.	Memorial days (Instrumental)
	4.	0 Kara no Hajimari (0からの始まり) (Instrumental)

25/01/2012	New Day, New Life (Digital Single)
	1.	New Day, New Life
	2.	life ~Seimei no Hibiki~ (life~生命の響~)
	3.	New Day, New Life (Instrumental)
	4.	life ~Seimei no Hibiki~ (life~生命の響~) (Instrumental)

25/01/2012	Hikari wo Atsumete (光をあつめて) (Digital Single)
	1.	Hikari wo Atsumete (光をあつめて)
	2.	Faraway
	3.	Hikari wo Atsumete (光をあつめて) (Instrumental)
	4.	Faraway (Instrumental)

01/03/2012	Yume Oibito (夢追人) (Digital Single)
	1.	Yume Oibito (夢追人)
	2.	Yume Oibito (夢追人) (Piano Version)
	3.	Yume Oibito (夢追人) (Instrumental)
	4.	Yume Oibito (夢追人) (Piano Version Instrumental)

20/02/2013	Battle of destiny (Digital Single)
	1.	Battle of destiny
	2.	Aete Ureshii Nyan (アエテウレシイにゃん)

27/03/2013	Kioku no Hikari (記憶の光)
	1.	Kioku no Hikari (記憶の光)
	2.	Where to go my love (single ver.)
	3.	Kioku no Hikari (Instrumental) (記憶の光)

14/09/2016	Itsuwari no Sora no Saki ni Aru Mono (偽りの空の先にあるもの) (Digital Single)
	1.	Itsuwari no Sora no Saki ni Aru Mono (偽りの空の先にあるもの)
	2.	Aoi Sora Sore Dake na no ni (青い空　それだけなのに)
	3.	Itsuwari no Sora no Saki ni Aru Mono (偽りの空の先にあるもの) (Instrumental)
	4.	Aoi Sora Sore Dake na no ni (青い空　それだけなのに) (Instrumental)

11/10/2017	Nostalgia (Digital Single)
	1.	Nostalgia
	2.	Kimi ga Irukara Tsuyoku Nareru yo (君が居るから強くなれるよ)
	3.	Nostalgia (Instrumental)
	4.	Kimi ga Irukara Tsuyoku Nareru yo (君が居るから強くなれるよ) (Instrumental)

02/02/2020	Memorial days (Digital)
	1.	Memorial days

28/06/2023	Shiroi Notebook (白いノートブック) (Digital)
	1.	Shiroi Notebook (白いノートブック)

02/10/2024	Arigato (ありがとう…) (Digital KOKIA's Version)
	1.	Arigato (ありがとう…)

Altri:

18/11/1998	Ai no Field (愛の輪郭(フィールド)) (KOKIA & Kyoko Katsunuma)
	1.	Ai no Field (愛の輪郭(フィールド)) / KOKIA
	2.	Tenjin no Komoriuta (天神さんの子守歌) / Kyoko Katsunuma
	3.	Dear my mother (KOKIA & Kyoko Katsunuma)
	4.	Ai no Field (愛の輪郭(フィールド))

11/08/2010	ESCOLTA - SANCTUS ~Voice Of Peace~ feat. KOKIA (Digital single)
	1.	SANCTUS ~Voice Of Peace~ feat. KOKIA