Per Kleiva (1 April 1933 – 17 September 2017) was a Norwegian painter and graphic artist.
In 1959 he studied under Niels Lergaard at the Royal Danish Academy of Fine Arts in Copenhagen, and he also studied at the Academy of Fine Arts in Florence and the Royal Swedish Academy of Fine Arts in Stockholm.
Kleiva studied under Per Krohg at the Norwegian National Academy of Fine Arts in the years 1955 to 1957.
From 1987 to 1993 he was appointed professor at the Norwegian National Academy of Fine Arts.
His works are represented in the National Museum of Art, Architecture and Design, the Henie Onstad Art Center and the Nordnorsk Kunstmuseum.