| solo Song | Romantic Hour (TOCT-6007), 1991.02.20 | Horikawa Ryo (堀川りょう) |
| Talk | Lodoss Tou Senki (KC-028), 1989.05.01 | Horikawa Ryo (堀川りょう) |
| Song | Condition Green Song Collection (VICL-5046), 1990.12.16 | Horikawa Ryo (堀川りょう) |
| Talk | Saint Seiya Meiou Hades Hen (COCC-7089), 1990.12.21 | Horikawa Ryo (堀川りょう) |
| Song | Magical Taruruuto-kun Hit Kyoku Shuu II (COCC-7707), 1991.07.01 | Horikawa Ryo (堀川りょう) |
| Song | 92 Seiyuu Graffiti, 1992.10.28 | Horikawa Ryo (堀川りょう) |
| Talk | GS Mikami Gokuraku Daisakusen (KICA-211), 1994.08.24 | Horikawa Ryo (堀川りょう) |
| Talk | Fake (TOCT-8591), 1994.10.26 | Horikawa Ryo (堀川りょう) |
| Talk | Seiyuu Daisuki 2 (MRCA-20058), 1995.03.17 | Horikawa Ryo (堀川りょう) |
| Talk | GS Mikami Report 1 (KICA-239), 1995.04.21 | Horikawa Ryo (堀川りょう) |
| Talk | Wedding Dress ni Akai Bara 1 (TKCA-70637), 1995.06.10 | Horikawa Ryo (堀川りょう) |
| Talk | GS Mikami Report 2 (KICA-280), 1995.09.21 | Horikawa Ryo (堀川りょう) |
| Talk | Seiyuu Daisuki 3 (MRCA-20080), 1995.12.16 | Horikawa Ryo (堀川りょう) |
| Talk | GS Mikami Report 3 (KICA-281), 1995.12.21 | Horikawa Ryo (堀川りょう) |
| Song | Tokyo Denki Kirakira Gasshoudan The Heros (TDCD-1123), 1995.12.21 | Horikawa Ryo (堀川りょう) |
| Talk | Seiyuu Daisuki 4 Wedding Bell, 1996.01.19 | Horikawa Ryo (堀川りょう) |
| Song | Voice Actor Best Song Collection 90 (APCM-5101), 1997.05.21 | Horikawa Ryo (堀川りょう) |
| Talk | Voice Actor Original Drama Collection II (APCM-5103), 1997.05.21 | Horikawa Ryo (堀川りょう) |
| Talk | Stella Deus Another Legend (SVWC-7220), 2004.11.10 | Horikawa Ryo (堀川りょう) |
| Talk | Shining Force Exa Drama CD (VGCD-0156), 2008.11.07 | Horikawa Ryo (堀川りょう) |
| single Talk | Makeruna! Makendou -Kenno Hikaru (DPDX-5021), 1995.11.25 | Horikawa Ryo (堀川りょう) |