Tomohisa Ōtani (大谷 智久, born February 14, 1985, in Hyōgo Prefecture) is a Japanese former professional baseball pitcher who is currently a coach for the Chiba Lotte Marines of Nippon Professional Baseball (NPB).

He has played in his entire career with the NPB for the Marines.

[1] On April 23, 2010, Otani made his NPB debut.

[2] On December 14, 2020, he announced his retirement and become coach for the Marines.

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