List of Famous people born on September 12nd

Carlos Chagas Filho was a Brazilian physician, biologist and scientist active in the field of neuroscience. He was internationally renowned for his investigations on the neural mechanisms underlying the phenomenon of electrogenesis by the electroplaques of electric fishes. He was also an important scientific leader, being one of the founders of the Biophysics Institute of the Federal University of Rio de Janeiro and was also a president for 16 years of the Vatican's Pontifical Academy of Sciences, and president of the Brazilian Academy of Sciences (1965–1967).

Thomas Vincensini is a French footballer who plays as a goalkeeper for Championnat National club SC Bastia, on loan from RC Lens.

Charlotte Florentia Percy, Duchess of Northumberland, was governess of the future Queen Victoria.

Roman Trotsenko is a Russian billionaire businessman. He is the owner of Aeon Corporation, a Russian investment and management company. According to Forbes, he has an estimated net worth of US$1.6 billion.