Luigi Denza (24 February 1846 - 26 January 1922), was an Italian composer. Denza was born at Castellammare di Stabia, near Naples. He studied music under Saverio Mercadante and Paolo Serrao at the Naples Conservatory. Later, he moved to London and became a professor of singing at the Royal Academy of Music in 1898. Denza wrote an opera, Wallenstein, and hundreds of songs. The most popular of these was a collaboration with Peppino Turco, the Neapolitan song Funiculì, Funiculà, about the Vesuvius funicular. Other songs such as "Luna fedel", "Occhi di fata", and "Se" have been sung by Mario Lanza, Luciano Pavarotti, Carlo Bergonzi, Enrico Caruso and Ronan Tynan.
Luigi Denza died in 1922 in London.