Ars Musica or Ars musica may refer to:
ars musica, Latin expression meaning 'musical art', one of the seven liberal arts Ars musica (Lambertus), Latin treatise on music theory from the late 13th century Ars musica (Juan Gil de Zamora), treatise on music theory by Juan Gil de Zamora written in Latin Ars Musica (album), 2013 album by Spanish power metal band Dark Moor Ars Musica (festival), contemporary music international festival that takes place in Brussels, Belgium
See also Ars musicae