Agnès Mellon is a French soprano who specializes in baroque music.
Agnès Mellon started her career in 1981 with the baroque ensemble Les Arts Florissants, directed by William Christie, with whom, between 1981 and 1993, she interpreted Marc-Antoine Charpentier, Monteverdi, Luigi Rossi, Michel Lambert, Henry Purcell, Jean-Baptiste Lully, Michel Pignolet de Montéclair, Jean-Philippe Rameau and others. During the 1980s, she was one of the ensemble's regular singers, together with Guillemette Laurens, Jill Feldman, Dominique Visse, Étienne Lestringant , Michel Laplénie, Philippe Cantor, Gregory Reinhart, and François Fauché.
Starting in 1985, Mellon also worked under the direction of Philippe Herreweghe, with La Chapelle Royale (1985–1990) and the Collegium Vocale Gent (1990–1996), interpreting Charpentier, Heinrich Schütz, Monteverdi, Jean Gilles, and Johann Sebastian Bach.