Karin Fossum (born 6 November 1954) is a Norwegian author of crime fiction, often referred to as the Norwegian queen of crime, she made her literary debut in Norway with a collection of poetry in 1974. She has since published another volume of poetry, two collections of short stories and one non-crime novel. She is the author of the internationally successful Inspector Konrad Sejer series of crime novels, which have been translated into over 16 languages. She won the Glass key award for her novel "Don't Look Back", which also won the Riverton Prize, and she was shortlisted for the Crime Writers' Association Gold Dagger in 2005 for "Calling Out For You".
Fossum has recently been honoured with Gumshoe Award and the Los Angeles Times Book Prize for mystery/thriller. She lives in a small town in southeastern Norway.