Kojiro Takahashi, also written as 髙橋 耕次郎 and pronounced Takahashi Kōjirō, is a Japanese actor and voice actor born on May 24, 1962, in Fukuyama, Hiroshima Prefecture, Japan. He is affiliated with the theatre company Bungakuza. He is not to be confused with another actor of the same name born in Tokyo in 1966.

Takahashi has been active in voice acting for at least two decades. One of his earliest known film credits is a voice role in the acclaimed Studio Ghibli film Howl's Moving Castle, released in 2004.

In the anime television series The Fable, an adaptation of the manga by Katsuhisa Minami, Takahashi voices the character Sōichi Sunagawa. Sunagawa is a middle-ranking member of the Maguro Group yakuza organization who runs a call girl business and views a rival gang member as a threat to his position. He is a supporting character in the series, which began airing in April 2024.