Kouda Mariko CDs (singles)
Mariko appears (sings/talks) in the following CD singles.
| 1994.10.21 | Bokura no Suteki/Harmony (KIDA-7601) | Song |
| 1995.01.21 | Elles Cinq II: Tiny Heart | Talk |
| 1995.01.21 | Elles Cinq III: Love Drug | Talk |
| 1995.01.21 | Elles Cinq IV: Nostalgic Lover | Talk |
| 1995.01.21 | Elles Cinq V: Tears no Kataomoi | Talk |
| 1995.02.24 | Don't Stop! | Song |
| 1995.04.26 | Kimi ga Daisuki [Yuri] (VPDG-20608) | Song |
| 1995.07.01 | Sunday Island (VPDG-20614) | Song |
| 1995.07.21 | Mimi Kaki wo Shiteiruto (KIDA-7603) | Song |
| 1995.12.01 | Honki ni Shinaide (VPDG-20633) | Song |
| 1996.05.22 | Watashi ga Tenshi Dattara Iinoni/Machibuse (KIDA-7608) | Song |
| 1996.10.23 | Yume ha Hitori Mirumono Janai | Song |
| 1997.01.17 | Doukyuusei Mahjong Premium CD | Talk |
| 1997.06.04 | Egao de Aishiteru | Song |
| 1997.09.03 | Kaze ga Tomaranai | Song |
| 1997.11.21 | Amenochi Special (KIDA-7638) | Song |
| 1998.02.25 | Looking For (KIDS-7603) | Song |
| 1998.07.03 | Cobalt (KIDS-7605) | Song |
| 1998.10.23 | Taisetsu ni Omoeru Monoga Issho nara Iiyone (KIDS-7608) | Song |
| 1999.01.22 | Matte Imashita (KIDS-7610) | Song |
| 2000.04.26 | Sabishigariya no Koi (KICS-785) | Song |
| 2000.05.24 | Hachimitsu (KICS-794) | Song |
| 2000.07.05 | Wish (KIDA-200) | Song |
| 2002.01.10 | Hana (KICM-1044) | Song |
| 2004.01.28 | Koi no American Football [Drops] (KICM-9003) | Song |
| 2004.02.04 | Koi no American Football [Drops] (KICM-91096) | Song |
| 2004.04.28 | Furare Kibun de Rock'n Roll [Drops] (KICM-91105) | Song |
| 2004.11.03 | Kimi ga Iru Sora (KICM-91122) | Song |
| 2020.10.28 | Princess Connect Re:Dive Priconne Character Song 18 (COCC-17678) | Song |
| 2023.03.29 | Princess Connect Re:Dive Priconne Character Song 32 (COCC-18072) | Song |