| Club: | Rochdale |
| Season: | 1945–46 |
| Manager: | Ted Goodier |
| Stadium: | Spotland Stadium |
| League: | Division 3 North West |
| League Result: | 2nd |
| Cup1: | F.A. Cup |
| Cup1 Result: | 3rd Round |
| League Topscorer: | Joe Hargreaves |
| Season Topscorer: | Joe Hargreaves |
| Prevseason: | 1944–45 |
| Nextseason: | 1946–47 |
The 1945–46 season saw Rochdale compete for their 7th and final season in the wartime league (Division 3 North West). The season consisted of 36 matches, 18 of which were in the First Championship, and the remainder were in the 2nd Championship and Division 3 North West Cup. Rochdale finished in second place in the first championship. This season also saw the return of the F.A. Cup, in which Rochdale reached the third round.
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See main article: 1945–46 FA Cup.