Koji Inada (稲田 浩司, Inada Kōji, born March 14, 1964) is a Japanese manga artist. He graduated from Tokyo Metropolitan College of Aeronautical Engineering. He is associated with Weekly Shōnen Jump. Dragon Quest: The Adventure of Dai (1989–1996), which he created with writer Riku Sanjo, is one of the best-selling manga in history with over 47 million copies sold.^[1] The two also created Beet the Vandel Buster (2002–2006, 2016–present), which has 4 million copies in print.^[2]

Inada had been ill since September 2006, which led to the hiatus of Beet the Vandel Buster at volume 12.^[3] He made a recovery in 2018 and resumed work on the series.