Jan Hendrik van Borssum Buisman (1919, Haarlem - 23 February 2012, Haarlem), was a 20th-century painter from the Netherlands.
According to the RKD he was the son of Hendrik van Borssum Buisman.[1] He was born in the Fundatiehuis while his father was curator at the Teylers Museum.[1] He was a secret agent working on the "Zwitserse weg" during World War II and was decorated with the Ridder in de Orde van Oranje-Nassau, the Verzetsherdenkingkruis, and the Croix du combattant volontaire de la Résistance. His brother Garrelt was awarded the Military William Order.[2] After the war he served as a member of the staff for Prins Bernhard in 1945-1946, and then moved back to Haarlem where he became a member of the Haarlem painters club Kunst zij ons doel, and in 1951, a member of De Groep.[1] In 1952 he became kastelein at the Teylers Museum, like his father had been.[3] He lived in the Fundatiehuis until he retired, when he moved to an adjoining house.[3] He kept his workshop in the former astronomical laboratory in the garden, and in 1972 he became adjunct-curator of the art collection.[3]