Eduardo di Capua (1865 - 1917) was an Italian singer and songwriter. He was born in Naples, Italy.
Together with poet Giovanni Capurro, di Capua wrote the song "O Sole Mio", text by Giovanni Capurro (the first line in Neapolitan dialect: Che bella cosa è na jurnata ?e sole) since recorded by many singers, both classical and popular: Enrico Caruso, Fritz Wunderlich, Plácido Domingo, The Beatles, Paul McCartney, Royal Philharmonic, Nat King Cole and George Harrison.