Ludwig Heinrich Bojanus Latinized as Ludovicus Henricus Bojanus (16 July 1776 – 2 April 1827) was a Franco-German physician, comparative anatomist, and naturalist who spent most of his active career teaching veterinary medicine at Vilnius University in Tsarist Russia.

[4] He finished his secondary education in Darmstadt and studied medicine at the University of Jena (Dr.

He printed 80 copies at a cost of 5000 rubles (about two years of his wages worth) which he paid for on his own, leading to financial difficulties.

[13] He noted cercaria inside snails in 1818 and considered them as related to liver flukes but did not know about the life cycle.

[14][15] He described the auroch species (Bos primigenius) and the steppe wisent (Bison priscus) providing distinction between them.