Koji Fukada (深田 晃司, born 1980) is a Japanese film director and screenwriter.

Born in Tokyo, Fukada had a father who was a film aficionado and he watched many films on VHS when he was young. When he was 19 years old studying at Taisho University and discovered the Film School of Tokyo, he began taking evening classes in filmmaking. One of his teachers was Kiyoshi Kurosawa. He made his first feature-length film, The Chair, in 2002. He joined the Seinendan theater troupe, headed by Oriza Hirata, in 2005, and has often used their work and their actors in his films.