Karl Gotthelf Lehmann (7 March 1812 in Leipzig – 6 January 1863 in Jena) was a German physiological chemist.
From 1830 he studied medicine at the University of Leipzig, receiving his doctorate in 1835 with a thesis titled De urina diabetica.
From 1856 to 1863 he was a professor of general chemistry at the University of Jena.
[1] His 3-volume Lehrbuch der physiologischen Chemie was translated into English by George Edward Day and published with the title, Physiological chemistry (Vol.
[2] Other noted works by Lehmann include: A number of his works relating to medicine and physiological chemistry were published in Otto Linné Erdmann's Journal für praktische Chemie.