Kōsuke Toriumi (jap. 鳥海 浩輔 Toriumi Kōsuke; ur. 16 maja 1973) – japoński seiyū pochodzący z Chigasaki w prefekturze Kanagawa. Pracuje dla Arts Vision.
Ważniejsze role są pogrubione
- 7 Seeds (Arashi Aota)
- Koisuru bōkun (Tetsuhiro Morinaga)
- Shin Megami Tensei III: Nocturne (Isamu Nitta)
- Kirai Ja Nai Kedo (Yukimura Shuji)
- Shiawase Kissa San-Chome (Shindou Satsuki)
- Togainu no Chi (Akira)
- "ZE" (Raizô Shichikawa)
- Hybrid Child (Hazuki)
- Suit wo Nuida Ato (Shuuji Amamiya)
- Baten Kaitos: Eternal Wings and the Lost Ocean (Kalas)
- Beast master & Prince (Alfred)
- Blaze Union: Story to Reach the Future (Garlot)
- Clock Zero (Hanabusa Madoka)
- Disgaea (Kurtis)
- Estpolis: The Lands Cursed by the Gods (Idura)
- Hakuōki Shinsengumi Kitan (Saito Hajime)
- Hakuōki Zuisouroku (Saito Hajime)
- Hakuōki Shinsengumi Kitan (PSP) (Saito Hajime)
- Hakuōki Shinsengumi Kitan (PS3) (Saito Hajime)
- Hakuōki Yugiroku (Saito Hajime)
- Harukanaru Toki no Naka de 3: Izayoiki (Fujiwara no Yasuhira)
- Luminous Arc (Heath)
- Marvel vs. Capcom: Clash of Super Heroes (Strider Hiryu)
- Mobile Suit Gundam Battlefield Record U.C. 0081 (Fritz Bauer)
- Moujuutsukai to Oujisama (Alfred)
- Namco × Capcom (Strider Hiryu, Strider Hien)
- Persona 2 (Eikichi Mishina)
- Shin Megami Tensei: Persona 3 (Junpei Iori)
- Shinobi (Shirogane)
- Soul Nomad & the World Eaters (Endorph)
- Soulcalibur II (Hong Yun-seong)
- Soulcalibur III (Hong Yun-seong)
- Soulcalibur III: Arcade Edition (Hong Yun-seong)
- Soulcalibur IV (Hong Yun-seong)
- Soulcalibur: Broken Destiny (Hong Yun-Seong)
- Street Fighter Alpha 3 (Fei-Long)
- Strider 2 (Strider Hiryu)
- Tales of Vesperia (Yuri Lowell)
- To Heart 2 (Yūji Kōsaka)
- Togainu no Chi (Akira)
- Zettai Zetsumei Toshi 3 (Naoki Kousaka)