Paul Auguste Jean Baptiste Chapuis (born April 20 1858 in Dampierre-sur-Salon, † December 6, 1933 in Paris) was a French composer, organist and music teacher. Chapuis studied organ at the Conservatoire de Paris with César Franck. He won there in 1877 the first prize in harmony and in 1880 the first prize in organ. From 1884 to 1888 he was organist at the church of Notre-Dame-des-Champs. After that and until 1906, he was organist at St-Roch. In addition, Chapuis taught harmony at the Conservatoire, where from 1898 Lili and Nadia Boulanger were among his pupils. Later he was superintendent for music teaching in urban schools from Paris. In addition to songs and orchestral pieces composed, is worth mentioning the oratorio Les sept paroles du Christ and two operas: Enguerrande (libretto by Victor Wilder, UA 1892) and Les Desmoiselle de Saint-Cyr (libretto by André Lénéka, UA 1921). He received the Prix Rossini of the Académie des Beaux Arts. In addition, he was awarded the Legion of Honour.