Calegari is an Italian surname. Notable people with the surname include:
Santo Calegari (1662–1717), Italian sculptor
Maria Cattarina Calegari (1644–after 1675), Italian composer
Francesco Antonio Calegari (1656-1742), Italian priest and composer
Antonio Calegari (1757-1828), Italian oratorio composer
Luigi Antonio Calegari (1780–1849), Italian bel canto opera composer
Stefania Calegari, Italian ice dancer
Nínive Clements Calegari, United States teacher
Danny Calegari, United States mathematician
