Tetsu Miyagawa (宮川 哲, Miyagawa Tetsu, born October 10, 1995) is a Japanese professional baseball pitcher for the Tokyo Yakult Swallows of Nippon Professional Baseball (NPB).

He has previously played in NPB for the Saitama Seibu Lions.

On June 20, 2020, Miyagawa made his Nippon Professional Baseball (NPB) debut for the Saitama Seibu Lions.

[1][2] On December 21, 2023, Miyagawa was traded to the Tokyo Yakult Swallows in exchange for Hiyu Motoyama.

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