Yūya Gunji (郡司 裕也, Gunji Yūya, born December 27, 1997) is a Japanese professional baseball catcher, infielder and outfielder for the Hokkaido Nippon-Ham Fighters of Nippon Professional Baseball (NPB).

Gunji was the opposing catcher at the 2015 Koshien tournament for Sendai Ikuei where future teammate, Tokai Sagami high school ace, Shinnosuke Ogasawara was the winning pitcher.

[1] Gunji is a graduate of Sendai Ikuei High School and Keio University.

[2][3] On June 19, 2023, Gunji was traded alongside Takumi Yamamoto to the Hokkaido Nippon-Ham Fighters in exchange for Shingo Usami and Koki Saito.

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