
Takeharu Oonishi (大西 健晴, Ōnishi Takeharu, born July 8, 1967) is a Japanese seiyū (voice actor) and stage actor from Nara Prefecture. He is affiliated with Arts Vision and is a founding member of the theater company Akapera. He speaks the Kansai dialect. He is married to voice actress Masayo Kurata (倉田 雅世).

Case Closed: The Crimson Love Letter

Gintama: The Movie

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Crayon Shinchan the Movie: Our Dinosaur Diary

Mobile Suit Gundam: The Origin IV – Eve of Destiny

Crayon Shinchan the Movie: Burst! Hot Spring Battle

Crayon Shinchan the Movie: The Storm Called: Operation Golden Spy

Crayon Shinchan the Movie: The Storm Called: The Kasukabe Boys of the Evening Sun