Koyama Mami CDs (miscellaneous)
Mami appears (sings/talks) in the following miscellaneous CDs.
| 1992.10.28 | 92 Seiyuu Graffiti | Song |
| 1993.03.05 | Minky Momo Love Stage | Song |
| 1994.05.25 | Minky Momo Tabidachi no Eki | Talk |
| 1995.12.13 | Cutey Tenshi Chougouka Yume no Saiten (TYCY-5461) | Talk |
| 1996.08.21 | Lips the Agent drama CD vol 2 (AYCM-528) | Talk |
| 1996.10.21 | Lips the Agent drama CD vol 3 (AYCM-531) | Talk |
| 1998.09.21 | Silent Mobius Original Audio Drama Mobius Collage (AYCM-615) | Talk |
| 1999.09.08 | Jane Oferinaito (MACA-2011) | Talk |