Kyogo Kawaguchi (河口 恭吾, Kawaguchi Kyōgo, born October 1, 1974, in Sano, Tochigi) is a Japanese singer-songwriter. He is currently working with "Chikyukyoudai" ("World Siblings"). His notable works include Sakura[1] and the album Hibi Sansan.[2]
Singles
| Release Date | Title | Japanese | |
| 1st | October 4, 1995 | Sekaijuu ga senchimentaru (Everybody is sentimental) | 世界中がセンチメンタル |
| 2nd | November 22, 2000 | Mafuyu no tsuki (Midwinter moon) | 真冬の月 |
| 3rd | February 21, 2002 | Gabera | ガーベラ |
| 4th | August 21, 2002 | Omega no kioku (Memories of omega) | オメガの記憶 |
| 5th | April 30, 2003 | Sakura (Cherry Blossom) | 桜 |
| 6th | December 10, 2003 | Sakura (Cherry Blossom) | 桜 |
| 7th | May 19, 2004 | Ai no uta (Song of Love) | 愛の歌 |
| 8th | August 4, 2004 | A Place In The Sun | A Place In The Sun |
| 9th | August 25, 2004 | Suiyoubi no asa (Wednesday Morning) | 水曜日の朝 |
| 10th | February 16, 2005 | Yume no mannnaka Mune no kotoba (The Middle of a Dream) / (The Words of my Heart) | 夢の真ん中 胸の言葉 |
| 11th | August 24, 2005 | Watashi no subete (All of Me) | 私のすべて |
| 12th | June 28, 2006 | Honto wa shiawase (In truth, I'm happy) | ホントは幸せ |
| 13th | August 23, 2006 | Kaisha wo yamete tabini deyou (Let's Quit our Jobs and Go on a Journey) | 会社をやめて旅に出よう |
| 14th | December 27, 2006 | Hikari Tegami ( [?] / Letter) | 景～hikari～ 手紙 |
| 15th | April 18, 2007 | Koufuku no uta (Song of Happiness) | 幸福の歌 |
| 16th | July 23, 2008 | Tadaima (I'm Back) | ただいま－七夕篇－ |
| 17th | September 17, 2008 | Tadaima (I'm back) | ただいま |
| 18th | November 5, 2008 | Miraiiropuropo-zu (Future-Coloured Proposal) | 未来色プロポーズ |