Katsuhito Ishii is a Japanese film director.

After graduating from Musashino Art University, Katsuhito Ishii got a job at Tohokushinsha Film and began directing commercials in 1992, receiving numerous awards in this field. His first short film The Promise of August, shot in 1995, went on to receive the Japanese Film Grand Prix in the Fantastic Video Section of the 1995 Yubari International Fantastic Film Festival.