| 1955–56 Ranji Trophy | |
| Administrator: | BCCI |
| Cricket Format: | First-class |
| Tournament Format: | Knockout |
| Champions: | Bombay |
| Count: | 8 |
| Participants: | 22 |
| Most Runs: | Polly Umrigar (Bombay) (595)[1] |
| Most Wickets: | Premangsu Chatterjee (Bengal) (26)[2] |
| Previous Year: | 1954–55 |
| Previous Tournament: | 1954–55 Ranji Trophy |
| Next Year: | 1956–57 |
| Next Tournament: | 1956–57 Ranji Trophy |
The 1955–56 Ranji Trophy was the 22nd season of the Ranji Trophy. Bombay won the title defeating Bengal in the final.
(T) – Advanced to next round by spin of coin.