Koyama Mami roles
Anime
Mami has done the following roles in anime.
| Ai City [1986] | K2 |
| Air Master [2003] | Minaguchi Yuki |
| Akira | Kei |
| Anmitsu Hime | Anmitsu Hime |
| Ariel | Mia |
| Ashita he attack | Hijiri Mimi |
| Ayakashi -Ayakashi | Tamiya Oiwa |
| Bang Dream [2017] | Tsuzuki Shisen |
| Battle Angel | Chiren |
| Black Lagoon | Balalaika |
| Candy Candy | Annie |
| Captain Herlock: Outside Legend-The Endless Odyssey | Queen of the Ruins |
| Captain Herlock: Outside Legend-The Endless Odyssey | Moon Princess |
| Chijou Saikyou no Expert Team G.I. Joe | Scarlett |
| City Hunter {2} | Miki |
| Danasite 999.9 | Fouton |
| Danguard A | Miraa |
| Devilman Lady/The Devil Lady | Satoru |
| Devilman Lady/The Devil Lady | Satoru |
| Dr. Slump | Norimaki Arale |
| Dragonball | Lunch |
| Fuuma no Kojiro | Ranko |
| Gaiking [debut] | Fujiyama Midori |
| Galactic Patrol Lensman [1985] | Clarisse |
| Gokuu Midnight Eye | Yabuki Yohko |
| Goshogun | Remy Shimada |
| Gundam | Kishiria Zabi |
| Gundam Dai 08 MS Shotai | Karen Joshuwa |
| Gunnm | Chiren |
| Harmagedon (Genma Taisen) | Luna |
| High School Agent | Seera |
| Ideon | Kiyaya Bufu |
| Juubei Ninpouchou (Ninja Scroll) (TV) [2003] | Nubatama |
| Kaitei Chou Tokkyuu Marin Express | Milly |
| Kamui no Ken (Dagger of Kamui) | Oyuki |
| Legend of Galactic Heroes | Jessica |
| Lupin III The Fuuma Conspiracy | Mine Fujiko |
| Magical Taruruuto-kun [1990-1992] {movie} | Nushiarde |
| Mahou no Princess Minky Momo [1982-1983] | Minky Momo of Fenarinaasa |
| Mahou no Princess Minky Momo La Ronde in My Dream [1985] | Minky Momo |
| Mahou no Princess Minky Momo Tabidachi no Eki [1994] | Minky Momo (first) |
| Mahou no Princess Minky Momo Yume wo Dakishimete [1991-1992] | Minky Momo (first) |
| Master Keaton [1998-1999] {Episode 22} | Maruguritto |
| Master Keaton [1998-1999] | Marguerite |
| Meitantei Conan (Detective Conan) | Belmott |
| Metropolis | Enmy |
| Millenium Actress | Fujiwara Chiyoko, 20-40 years old |
| Monster [2004-2005] | Eva Heinemann |
| Nichijou [2011] {episode 20} | narrator |
| Nils no Fushigina Tabi [1980] | Nils Holgerson |
| Pelican Road [1986] | Okazaki Kanako |
| Queen Millennia | Shinjo (the new Queen) |
| Riding Bean | Semmerling |
| Sailor Moon {R} | Esmeroodo |
| Saint Seiya [1985-1989] | Shaina |
| Saint Seiya Omega [2012-2013] | Shaina |
| Seishoujo Kantai Virgin Fleet | Hirose Kouka |
| Silent Mobius (TV) [1998] | Isozaki Mana |
| Supergal | Maris |
| Toward Terra | Karina |
| Urusei Yatsura | Mendou Ryouko |
| Vampire Princess Miyu | Se Himiko |
| Wonderbeat S | Lee |
| X (movie) [1996] | Kasumi Karen |
Games
Mami has done the following roles in games.
| Dai 4 Ji Super Robot Taisen S [Playstation] | Saphine Grace |
| Dai 4 Ji Super Robot Taisen S [Playstation] | Remy Shimada |
| Dead or Alive [PlayStation] | Tina Armstrong |
| Kidou Senshi Gundam Climax U.C. [PlayStation 2] | Kishiria |
| Kidou Senshi Gundam Climax U.C. [PlayStation 2] | Karen |
| Kidou Senshi Gundam Senki [PlayStation 2] | Master Sergeant Karen Joshua |
| Snatcher [PC Engine] | Metal Gear |
| Super Robot Taisen F [PlayStation, Sega Saturn] | ? |
Drama
Mami has done the following roles in audio drama.
| Cutie Tenshi (Angel) Chougouka Yume no Saiten [CD] | Piyo chan |
| Gunhed [CT] | Bebe |
| Izumi Gensenki -Meidouhen- [CD] | Kurumigawa Midori |
| Lips the Agent [CD] | Ai |
| Silent Mobius "Mobius Collage" [CD] | Isozaki Mana |
| Silent Mobius "Silent Lovers" [CD] | Isozaki Mana |