Taishi Ohta (大田 泰示, Ohta Taishi, born June 9, 1990) is a Japanese professional baseball outfielder for the Yokohama DeNA BayStars in Japan's Nippon Professional Baseball.

On 2 November 2016, it was revealed that Ohta had been included in a trade with the Hokkaido Nippon-Ham Fighters with teammate Katsuhiko Kumon for Fighters pitcher Mitsuo Yoshikawa and Shingo Ishikawa.

[1][2][3] He selected 2018 NPB All-Star game [jp].

On December 20, 2021, Ohta signed with the Yokohama DeNA BayStars of Nippon Professional Baseball.

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