The 1965–66 Coppa Italia, the 19th Coppa Italia, was an Italian Football Federation domestic cup competition won by Fiorentina.
[1] * Potenza, Palermo and Venezia qualify after drawing of lots.
* Potenza qualify after drawing of lots.
p=after penalty shoot–out The result of the match Varese–Vicenza was declared void.
Repeat third round match Milan, Torino, Internazionale and Juventus are added.