Takkō Ishimori (石森 達幸, Ishimori Takkō, January 11, 1932 – June 5, 2013) was a Japanese voice actor from Nagasaki Prefecture, Japan.

He debuted in 1960, and was attached to the talent agency Arts Vision at the time of his death in 2013.

He was one of the founding members of Theater Echo.

He was best known for voicing Sengoku in One Piece.

Ishimori died on June 5, 2013, at the age of 81 from heart failure.