Tadashi Kawashima ( ?, Kawashima Tadashi) (April 7, 1969 - June 15, 2010) was a Japanese manga artist and manga gensakusha from Ehime Prefecture. He is best known for writing the manga Alive -Saish? Shinkateki Sh?nen-.
Kawashima made his professional debut with Daughter Maker, which ran in K?dansha's Monthly Sh?nen Magazine Z?kan Great. From October 2003 to October 2009, Kawashima collaborated with Adachitoka to create Alive -Saish? Shinkateki Sh?nen-, which was published in K?dansha's Monthly Sh?nen Magazine. Kawashima succumbed to liver cancer on June 15, 2010 and died at the age of 41, having finished Alive on his deathbed.