Olav Sletto (21 June 1886 – 24 October 1963 ) was a Norwegian novelist and educator.
He made his literary debut in 1908, with the story Dei gamle.
Among his historical novels is the trilogy Valet, Primas and Frukt from 1926 to 1928.
He wrote a series of autobiographical books, starting with Per Spegil from 1939.
This article about a Norwegian writer, poet or journalist is a stub.