Knut Kjeldstadli (born 6 June 1948 in Oslo) is a Norwegian historian. Kjeldstadli completed his examen artium at Oslo Cathedral School in 1967 before studying English and social economics at the University of Oslo, where he completed his master in history in 1977. He took his doctorate in 1989 with the paper Jerntid. Fabrikksystem og arbeidere ved Christiania Spigerverk og Kværner Brug fra om lag 1890 til 1940. He became adjunct professor at the University of Bergen in 1992, and then professor at the University of Oslo in 1996. He is a member of the Norwegian Academy of Science and Letters.[1] Kjeldstadli is also involved in politics, in the Socialist Left Party as well as ATTAC. Kjeldstadli was awarded the Brage Prize in 2003 for serving as editor of Norsk innvandringshistorie. He was also a recipient of the Sverre Steen Award in 2004. He was the son of historian Sverre Kjeldstadli,[2] paternal grandson of trade unionist Lars Kjeldstadli (1870–1934), maternal grandson of editor Daniel Grini and grandnephew of politician Sigvart Grini.[3]