Yamadera Kouichi CDs (miscellaneous)
Kouichi appears (sings/talks) in the following miscellaneous CDs.
| 1989.01.11 | Sonic Soldier Borgman The Last Gig of the World (LD32-5093) | Song |
| 1990.06.21 | 20 Mensou ni Onegai (VICL-3001) | Talk |
| 1990.11.21 | Everybody's Christmas | Song |
| 1991.02.25 | Oshare Maruhi Shirei Let's Go Seiyuu Daisakusen (SHCU-1001) | Talk |
| 1991.07.21 | Ningyo no Mori Original Soundtrack (VICL-177) | Talk |
| 1991.08.21 | Banana Fritters (MECH-30014) | Song |
| 1991.08.21 | CLAMP drama CD Combination (KICA-62) | Talk |
| 1991.10.21 | Shurato Celestial Warriors Battle for Genesis (KICA-70) | Talk |
| 1991.11.21 | Kirameku Umi wo Koete [Banana Fritters] (MECH-30020) | Song |
| 1991.12.04 | Monster Maker (VICL-249) | Talk |
| 1991.12.21 | Ranma 1/2 Kakutou Karuta | Song |
| 1992.06.05 | Hold You Tonight (KICA-113) | Song |
| 1992.08.21 | Banana Sensation [Banana Fritters] (MECH-30031) | Song |
| 1992.10.28 | 92 Seiyuu Graffiti | Song |
| 1993.06.20 | Aa Megami-sama Tokuten-ou | Talk |
| 1994.08.25 | Yuugen Kaisha (PICA-1045) | Song/Talk |
| 1994.11.23 | 94 Seiyuu Song Festival | Song |
| 1995.01.20 | DoCo Original Karaoke | BG Vocals |
| 1995.07.21 | Banana Best Selection [Banana Fritters] (MECH-28001) | Song |
| 1995.09.25 | Emerald Dragon vol 4 (PSCR-5410) | Talk |
| 1995.12.21 | Tokyo Denki Kirakira Gasshoudan The Heros (TDCD-1123) | Song |
| 1996.12.21 | Mothra '61 (COCC-13973) | Talk |
| 1997.05.21 | Voice Actor Best Song Collection 90 (APCM-5101) | Song |
| 1997.05.21 | Voice Actor Original Drama Collection II (APCM-5103) | Talk |
| 1997.07.18 | Bouken Radio Movie 1 | Talk |
| 1997.09.19 | Bouken Radio Movie 2 | Talk |
| 1997.11.10 | Seiyuu Grand Prix Special CD 97 | Talk |
| 1997.11.19 | Bouken Radio Movie 3 | Talk |
| 1999.09.08 | Jane Oferinaito (MACA-2011) | Talk |
| 2000.12.20 | Ah! Megami-sama! Tokuten-oh+ (PCCG-559) | Talk |
| 2006.03.10 | Tales of Destiny Chijou-hen (FCCT-9003) | Talk |