Keita Amemiya (雨宮 慶太, Amemiya Keita, born 24 August 1959) is a Japanese film and television director, screenwriter and character designer from Urayasu, Chiba.

He directed the films Mirai Ninja (1988),[1][2] Zeiram (1991), Kamen Rider ZO (1993), and Kamen Rider J (1994), and created the tokusatsu franchise Garo in 2005.

Born in Urayasu, Chiba, Amemiya graduated from the Asagaya College of Art and Design,[3] after which he joined the Den Film Effect in 1981.

As a film director, he made his debut in 1988's Mirai Ninja: Keigumo Kinin Gaiden.

He went on to direct the 1991 science fiction film Zeiram, and created the tokusatsu franchise Garo in 2005.