Pietro Napoli Signorelli (28 September 1731 – 1 April 1815) was an Italian scholar of classic literature, mainly drama, and historian.

He was born in Naples to a father who was a notary, and initially trained as a lawyer, including under Antonio Genovesi.

In Spain, where he joined a circle of writers (tertulia literaria) interested in writing dramas.

In Spain, he wrote two of his most successful works: "Critique and history of antique and modern theater" and "Events of the Culture of the Two Sicilies".

With the Bourbon restoration, he went into exile in Milan, where he was named professor of dramatic arts for the Brera Academy.