Tesauro is a surname, and may refer to:
Bernardo Tesauro, Italian painter Emanuele Tesauro (1592–1675) rhetorician, dramatist, poet, and historian from Turin Filippo Tesauro, Italian painter Gerald Tesauro, American computer scientist Giuseppe Tesauro (1942–2021), Italian judge Michelle Tesauro, American reality show contestant Raimo Epifanio Tesauro, Italian painter