Calegari is an Italian surname. Notable people with the surname include:
Santo Calegari (1662–1717), Italian sculptorMaria Cattarina Calegari (1644–after 1675), Italian composerFrancesco Antonio Calegari (1656-1742), Italian priest and composerAntonio Calegari (1757-1828), Italian oratorio composerLuigi Antonio Calegari (1780–1849), Italian bel canto opera composerStefania Calegari, Italian ice dancerNínive Clements Calegari, United States teacherDanny Calegari, United States mathematician