Teiya Ichiryusai (一龍斎 貞弥, Ichiryūsai Teiya, born February 2, 1968) is a Japanese voice actress from Ōita Prefecture affiliated with Aoni Production. Her former stage name is Aya Hara (原 亜弥, Hara Aya).

• Case Closed (Tivoli garden receptionist) (episode 377)
• Galaxy Fraulein Yuna (Mai Tokudaiji)
• Galaxy Fraulein Yuna Returns (Mai of Roppogni)
• Perfect Blue (Mima's mother)
• Sailor Moon (Phantom of the Lake) (episode 40)
• The Super Dimension Fortress Macross II: Lovers, Again (Saori)

• Galaxy Fraulein Yuna series (Mai of Roppogni)
• Lunar: Silver Star Story (Lemia Ausa, Xenobia)
• Star Fox: Assault (Krystal)
• Super Smash Bros. Brawl (Krystal, Isaac)
• Super Smash Bros. Ultimate (Krystal, Isaac)

• Official agency profile (in Japanese)
• Teiya Ichiryusai at Anime News Network's encyclopedia