Johan Christian Severin Cappelen (25 January 1855 – 12 December 1935) was a Norwegian physician.
He was born in Selje Municipality as a son of district physician Johan Nicolay Cappelen (1818–1890) and Elisabeth Brunchorst Ravn (1825–1906). His brother Axel Hermansen Cappelen was also a physician. In 1881, he married Katharina Margrethe Steen (1859—1915). They had one daughter, Astrid, and two sons, Johan and Christian,[1][2] as well as several children who did not survive infancy.[3]
He was an elected local politician in Levanger and an elector in the 1894 Norwegian parliamentary election. He was also a board member of the savings bank Levanger og Skogns Sparebank as well as the county jail. In 1911, he moved to Trondhjem, where he worked as a surgeon and gynecologist. He died in December 1935.[3]