Roberto Enrique MartÃn Wernicke (May 23, 1852, Buenos Aires, Argentina - October 22, 1922, Buenos Aires) was an Argentine physician, embryologist, bacteriologist, educator and researcher.
After training at the University of Jena in Germany, he returned to Buenos Aires, where he taught and practiced medicine for many years.
Wernicke introduced microscopy to Argentinian medicine, and founded the study of parasitology, microbiology, and general pathology in Argentina.
He served as President of the Argentine Medical Association from 1894 to 1897, and was president of the Second Latin American Scientific Congress, in Montevideo, Uruguay in 1901.