Kristian Elster (1881 – 1947) was a Norwegian novelist, literary historian, theatre critic and biographer, the son of Kristian Elster d.e.. He made his literary début in 1907 with the story collection Fortællinger. His liteary breakthrough was the novel trilogy I lære, Landeveien and Mester, published from 1911 to 1913. He wrote the two volume literary history Illustrert norsk litteraturhistorie, published in 1923–24.[1][2]