List of Famous people named Johan

Johan Gottlieb Gahn was a Swedish chemist and metallurgist who discovered manganese in 1774.

Johan Ludwig Gebhard Lund, , Danish painter, was born in Kiel, Duchy of Holstein, to master painter Hans Giewert Lund and his wife Maria Magdalena Christina Bremer. An adherent of romanticism, he is known for his history paintings.

Johan Vilhelm Gertner was a Danish painter, best known for his portraiture. One of the last students of Christoffer Wilhelm Eckersberg, who was known as the father of the Golden Age of Danish Painting, Gertner belonged to the tail end of the Golden Age, a period during which Danish art moved towards a more realistic style, relying on inspiration both from French Realism and emerging photographic techniques.

Johan Gustaf Sandberg was a Swedish painter. He was foremost a history painter and used settings from Norse mythology and Swedish history. His most widely known work in this area are his frescoes in Uppsala Cathedral that depict the Swedish king Gustav Vasa. In addition to his history paintings, Sandberg painted a number of portraits.

Johan Wilhelm (Jukka) Rangell was the Prime Minister of Finland from 1941 to 1943.

Johan Christian Fabricius was a Danish zoologist, specialising in "Insecta", which at that time included all arthropods: insects, arachnids, crustaceans and others. He was a student of Carl Linnaeus, and is considered one of the most important entomologists of the 18th century, having named nearly 10,000 species of animals, and established the basis for the modern insect classification.