Giulio Benedetto Isacco Vivanti (24 May 1859 – 19 November 1949) was an Italian mathematician. He was a mentor of Bruno de Finetti and he spent most of his academic career at the University of Pavia and University of Milan.

• Vivanti–Pringsheim theorem

• Janovitz, Alessandro; Mercanti, Fabio. "Sull'apporto Evolutivo Dei Matematici Ebrei Mantovani Nella Nascente Nazione Italiana" (PDF) (in Italian). Archived from the original (PDF) on 2013-06-27. Retrieved 2012-01-09.