Carl or Karl von Tubeuf FLS HFRSE (20 January 1862, in Amorbach, Kingdom of Bavaria – 8 February 1941, in Munich, Germany) was a German forestry scientist, mycologist and plant pathologist.

In addition to foundational work in plant pathology, he published broadly on other topics including forest botany, dendrology, mycology, and zoology.

On April 1, 1902, Tubeuf succeeded Robert Hartig as Professor of Plant Anatomy, Physiology, and Pathology at the University of Munich.

He and Lorenz Hiltner founded Naturwissenschaftliche Zeitschrift für Land- und Forstwirtschaft (Scientific Journal for Agriculture and Forestry) which ran from 1903-1920.

[4][6] His book Pflanzenkrankheiten durch kryptogame Parasiten verursacht, (1895) was later translated into English and published as Diseases of plants induced by cryptogamic parasites (1897).