Giovanni Gazzinelli (6 September 1927, in Araçuaí – 14 January 2020)[1] was a Brazilian medical doctor and scientist, with a PhD in biochemistry from the Universidade Federal de Minas Gerais, with a specialization in immunology.
Gazzinelli was Chief Scientific Investigator at Fiocruz. He received the grã-cruz ("Great Cross") of the Ordem Naciona l do Mérito Científico ("National Order of Scientific Merit") of Brazil.[2]