The 1937–38 Coppa Italia was the fifth edition of the national cup in Italian football and the third edition of the tournament under the organization of the Direttorio Divisioni Superiori.

Serie C qualifying and preliminary rounds were under geographical zones.

Replay matches Vigevano from Serie B are added.

16 Serie B clubs are added (Venezia, Anconitana, Messina, Brescia, Modena, Novara, Pisa, Pro Vercelli, Alessandria, Taranto, Padova, Spezia, Sanremese, Palermo, Cremonese, Hellas Verona).

Replay match 16 Serie A clubs are added (Triestina, Ambrosiana-Inter, Bari, Atalanta, Livorno, Bologna, Juventus, Lazio, Liguria, Fiorentina, Roma, Genova 1893, Lucchese, Torino, Napoli, Milano).