Jean-Baptiste Singelée (25 September 1812 in Brussels – 29 September 1875 in Oostende) was a Belgian classical composer of the romantic period. Jean-Baptiste Singelée was born in Brussels and studied at the Royal Conservatoire there. He was the violin soloist at the Théâtre Royal de la Monnaie and directed orchestras there and in Ghent. Singelée was one of the first composers to treat the saxophone as a serious classical instrument, evidenced by his composing over 30 Solos de Concours for saxophone and his students at the Paris Conservatory.