Karl Moritz Schumann was a German botanist.
Schumann was born in Görlitz. He was curator of the Botanisches Museum in Berlin-Dahlem from 1880 until 1894. He also served as the first chairman of the Deutsche Kakteen-Gesellschaft which he founded on 6 November 1892. He died in Berlin.
Karl Moritz Schumann participated as a collaborator in Die Natürlichen Pflanzenfamilien by Adolf Engler and K. A. E. Prantl and in Flora Brasiliensis by Carl Friedrich Philipp von Martius.
The genera Schumannianthus, Schumanniophyton, Schumannia and several species were named after him, including:
Abelia schumannii
Cycas schumanniana
Cyperus karlschumannii
Mammillaria schumannii
Notocactus schumannianus
Pavetta schumanniana
Psychotria schumanniana
Rubia schumanniana
Vangueria schumanniana