Calegari is an Italian surname. Notable people with the surname include:Santo Calegari (1662–1717), Italian sculptor Maria Cattarina Calegari, 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 Renzo Calegari (1933–2017), Italian comics artist Stefania Calegari, Italian ice dancer Nínive Clements Calegari, United States teacher Danny Calegari, mathematician. Frank Calegari, mathematician
