Tomoya Miguchi (三口智也, Miguchi Tomoya, born April 26, 1986) is a Japanese modern pentathlete who won two team medals at the 2010 and 2014 Asian Games.

He finished 22nd at the 2016 Olympics.

[1] Miguchi started as a swimmer and competed for the national junior team.

He changed to pentathlon in 2006, and in 2010 received the Japan Sports Award.

[2]