1930–31 Prima Divisione
The 1930–31 Prima Divisione was the third-level league of the 31st Italian football championship.
In 1928, FIGC had decided a reform of the league structure of Italian football. The top-level league was the National Division, composed by the two divisions of Serie A and Serie B. Under them, there were the local championship, the major one being the First Division, that in 1935 will take the name of Serie C. Starting from this season, the winners of the six groups of First Division would be admitted to the final rounds, where three tickets of promotion to Serie B were available, whereas the scheduled relegations were annulled by the Federation which expanded the division.Northern division
Girone A
;Final classification
;ResultsGirone B
;Final classification
;ResultsGirone C
;Final classification
;ResultsGirone D
;Final classification
;Results;Girone A
;Final classification
;Results
;Girone B
;Final classification
;Results
Comense and Vigevanesi promoted to 1931–32 Serie B.Girone E
;Final classification
;ResultsGirone F
;Final classification
;ResultsFinal round
;Final classification
Cagliari promoted to 1931–32 Serie B.
