| Club: | Rochdale |
| Season: | 1911–12 |
| Stadium: | Spotland Stadium |
| League: | Lancashire Combination Division 1 |
| League Result: | 1st |
| Cup1: | FA Cup |
| Cup1 Result: | 4th Qualifying Round |
| League Topscorer: | Alf Gregson |
| Season Topscorer: | Alf Gregson |
| Prevseason: | 1910–11 |
| Nextseason: | 1912–13 |
The 1911–12 season saw Rochdale compete in The F.A. Cup for the 4th time and reached the fourth qualifying round. The also competed in the Lancashire Combination Division 1 and finished top of the table for the second consecutive season.
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See main article: 1911–12 FA Cup.