Paolo Serrao (11 April 1830 – 17 March 1907) was a distinguished and influential Italian teacher of musical theory and composition at Naples.
Serrao was born in Filadelfia, Calabria. As professor of composition at the San Pietro a Maiella Conservatorio at Naples, over many years, he taught many famous Italian musicians, notably Giuseppe Martucci, Umberto Giordano, Leopoldo Mugnone, Michele Esposito, Francesco Cilea, Franco Alfano, Luigi Denza and Alessandro Longo.