Kim Hiorthøy (March 27, 1973, Trondheim, Norway) is a Norwegian musician, painter, author, illustrator, graphic designer and film director based in Berlin.

Hiorthøy was born and raised in Trondheim and studied at the Trondheim Academy of Fine Art (1991–96) as well as the Royal Danish Academy of Fine Arts in Copenhagen (1999-2000).

During his tenure at the Trondheim Academy of Fine Art, Hiorthøy spent a year abroad in 1994 to attend the School of Visual Arts in New York.