Øivind Larsen (born 6 September 1938) is a Norwegian physician and Professor Emeritus of history of medicine at the University of Oslo.
He became a docent (reader) in medical history in 1971 and was promoted to Professor in 1985.
He is currently chairman of the Norwegian Medical Society (Det norske medicinske Selskab; not to be confused with the Norwegian Medical Association).
His dissertation, titled Schiff und Seuche 1795–1799.
Ein medizinischer Beitrag zur historischen Kenntnis der Gesundheitsverhältnisse an Bord dänisch-norwegischer Kriegsschiffe auf den Fahrten nach Dänisch-Westindien was a study of the health conditions aboard Dano-Norwegian naval vessels bound for the Danish West Indies in the 1790s.