Rune Slagstad (born 22 February 1945) is a Norwegian historian, philosopher, legal theorist, professor and journal editor.

In addition to professional work, he has since the late 1960s contributed actively to public debate on a variety of issues from Norway.

Among his significant publications are the books Constitutionalism and democracy (co-edited with Jon Elster), De nasjonale strateger (”National strategists”),[3] Rettens ironi (”The Irony of Law”)[4] and Sporten: en idéhistorisk studie (”Sports”),[5] a study of sports from a cultural historical point of view.

Slagstad was born and raised in Bergen, but now lives in Oslo with his wife Anine Kierulf.

[8] In 2006 he played flute in the church service for Jens Chr Hauge—a rendition of traditional folk tune "Jeg lagde mig saa sildig".