| Competition: | Prima Categoria |
| Season: | 1913–14 |
| Winners: | Casale 1st title |
| Prevseason: | 1912–13 |
| Nextseason: | 1914–15 |
The 1913–14 Prima Categoria season was won by Casale.
The Northern championship, which was the main tournament, was split in three groups of ten clubs, with eighteen matchdays, even if the Oriental group could not be filled.
The best two clubs of each group went to the final group. Last clubs should be relegated.
The experimental Southern groups had their own special regulations.
US Alessandria for Piedmont, Liguria for Ligury, Nazionale Lombardia for Lombardy, and Petrarca Padua had been promoted according to the national regulation. However, Lombard local committee also promoted Juve Italia and AC Milanese Lambro, while Venetian local committee also promoted Udinese.
Following Baraldi-Baruffini agreement, three relegated clubs were re-elected, while Vigor Turin and Savona Calcio were also promoted. Finally, Como and Brescia FC were also invited to join.
SPES Livorno advanced to Central Final.
Lazio advanced to Central Final.
Internazionale Napoli won 3–2 on aggregate, advanced to Central-Southern Final.
Lazio won 4–0 on aggregate, advanced to Central-Southern Final.
Lazio won 9–0 on aggregate, advanced to the National Final.[1]
Played on 5 and 12 July 1914.