Henri Édouard Dallier (20 March 1849 – 23 December 1934) was a French organist. He studied organ with César Franck at the Paris Conservatory and obtained first prize in organ and fugue in 1878. He became "titulaire du grand orgue" of Saint-Eustache in 1879 and in 1905 he succeeded Gabriel Fauré as the organist of la Madeleine.