Luigi Antonio Calegari (1780–1849) was an Italian opera composer, born in Padua. He was nephew of Antonio Calegari (1757–1828)[1] and possibly related to other composers in the Padua Calegari family; Father Francesco Antonio Calegari (1656–1742), and Giuseppe Calegari, composer of a Betulia liberata (1771). He died in Venice.