Unione Sportiva Internazionale Napoli was an Italian football club from Naples. They were founded on 11 October 1911 after a split with Naples Foot-Ball Club and competed until their merger with that same team in 1922 to form FBC Internazionale-Naples, better known as "FBC Internaples" and today known as Napoli.

Naples Foot-Ball Club, also known as Naples FBC or more briefly as Naples, was an Italian football club founded in Naples, Campania in 1904 and beginning play in 1905.