The Boston Cecilia is a choral society in Boston, Massachusetts. Founded in 1876, the ensemble has enjoyed historic relationships with the Boston Symphony Orchestra and famous conductors and composers, such as Arthur Fiedler, Igor Stravinsky, and Antonín Dvořák. Today, the ensemble is noted for its historical-style performances, and specializes in the oratorios of George Frideric Handel as well as premieres by prominent Boston composers.