Tatsuya Yoshida (吉田達也, Yoshida Tatsuya) is a Japanese musician who, as the group's drummer, is the only consistent member of the renowned progressive rock duo Ruins. He is cited as the "indisputable master drummer of the Japanese underground", and a "rhythm section gone ballistic", among other things.

Along with his participation in many notable groups, he has also released several solo recordings. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.