Seiji Kawagoe (川越 誠司, Kawagoe Seiji, born June 30, 1993) is a Japanese professional baseball outfielder for the Chunichi Dragons of Nippon Professional Baseball (NPB).

[1][2] He previously played for the Saitama Seibu Lions.

Kawagoe played for the Saitama Seibu Lions from 2016 to 2023.

On July 18, 2023, he was traded to the Chunichi Dragons in exchange for Wataru Takamatsu.

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