Tatsuya Fuji (藤 竜也, Fuji Tatsuya, born 27 August 1941) is a Japanese actor. He was born in Beijin and raised in Yokohama. In 1962, Fuji joined Nikkatsu Company and began his acting career with small roles in Nikkatsu film. In 1968, Fuji married to actress Izumi Ashikawa. He gained popularity through his role in Jikandesuyo on TBS.
He has starred in two films (Empire of Passion and Bright Future) that have been entered into the Cannes Film Festival.
Fuji co-starred in Kiyoshi Kurosawa's Bright Future with Tadanobu Asano and Joe Odagiri. In 2005, he won the Golden Goblet Award for Best Actor for his work in the Village Photobook. In 2015, Fuji won best actor award of Tokyo Sports Film Award for his work in the Ryuzo and the Seven Henchmen.