List of Famous people named Johann

Johann Abraham Peter Schulz was a German musician. He is best known as the composer of the melody for Matthias Claudius's poems "Der Mond ist aufgegangen" and "Wir pflügen und wir streuen", and the Christmas carol "Ihr Kinderlein kommet".

Johann Christian Martin Bartels was a German mathematician. He was the tutor of Carl Friedrich Gauss in Brunswick and the educator of Lobachevsky at the University of Kazan.

Johannes Gerhard was a Lutheran church leader and Lutheran Scholastic theologian during the period of Orthodoxy.

Johann Zahn was the seventeenth-century German author of Oculus Artificialis Teledioptricus Sive Telescopium. This work contains many descriptions and diagrams, illustrations and sketches of both the camera obscura and magic lantern, along with various other lanterns, slides, projection types, peepshow boxes, microscopes, telescopes, reflectors, and lenses. As a student of light, Zahn is considered the most prolific writer and illustrator of the camera obscura.

Johann Wilhelm Andreas Pfaff, was professor of pure and applied mathematics successively at Dorpat, Nuremberg, Würzburg and Erlangen. He was a brother of Johann Friedrich Pfaff, a mathematician; and of Christian Heinrich Pfaff, a physician and physicist.

Johann Ernst Immanuel Walch was a German theologian, linguist, and naturalist from Jena.

Johann Friedrich Klotzsch was a German pharmacist and botanist.

Johann Ludwig Christian Carl Gravenhorst, sometimes Jean Louis Charles or Carl, was a German entomologist, herpetologist, and zoologist.

Johann Andreas Naumann was a German farmer and an amateur naturalist. He was the father of Johann Friedrich Naumann and geologist Georg Amadeus Carl Friedrich Naumann. He wrote an important book on the birds of Germany entitled Naturgeschichte der Vögel Deutschlands (1804), and his name has been commemorated in the Latin names of the birds lesser kestrel, Falco naumanni, and the Naumann's thrush, Turdus naumanni.