As coach Tetsuya Kokubo (小窪 哲也, Kokubo Tetsuya, born April 12, 1985) is a Japanese former baseball player who played in Nippon Professional Baseball (NPB) for the Hiroshima Toyo Carp and Chiba Lotte Marines.

[1] On April 26, 2008, Kokubo made his NPB debut.

[2] On November 11, 2021, it was announced that he will serve as an infield defense and running base coach at his old club Hiroshima Toyo Carp from 2022.

After that, he also served in the same position in 2023, and from 2024, he moved into the role of hitting coach.

This biographical article relating to a Japanese baseball infielder is a stub.