| 2026-10-22 | J. Paterson | Plymouth → Rochdale | Free agent |
| 2026-09-18 | C. Edwards | Rochdale → Barrow | Free agent |
| 2026-09-10 | A. Flint | Walsall → Rochdale | Free agent |
| 2026-08-31 | G. Middleton | Doncaster → Rochdale | Transfer |
| 2026-08-31 | C. Tasker | Brighton → Rochdale | Loan |
| 2026-08-30 | G. Middleton | Doncaster → Rochdale | Transfer |
| 2026-08-25 | M. Duku | Rochdale → Eastleigh | Free agent |
| 2026-08-24 | T. Myles | Rochdale → Salford City | Free agent |
| 2026-08-20 | Kane Taylor | Aston Villa → Rochdale | Loan |
| 2026-08-13 | B. Adeeko | Wigan → Rochdale | Transfer |
| 2026-08-12 | B. Adeeko | Wigan → Rochdale | Transfer |
| 2026-08-05 | D. Brown | Derby → Rochdale | Loan |
| 2026-08-03 | J. Smith | Wigan → Rochdale | Free agent |
| 2026-08-02 | J. Smith | Wigan → Rochdale | Free agent |
| 2026-07-31 | T. Smith | Rochdale → Derry City | Free agent |
| 2026-07-30 | T. Smith | Rochdale → Derry City | Free agent |
| 2026-07-28 | J. Spaven | Rochdale → Rochdale | Free agent |
| 2026-07-27 | T. Allarakhia | Rochdale → Boreham Wood | Free agent |
| 2026-07-27 | Z. Silcott-Duberry | Sheffield Wednesday → Rochdale | Free agent |
| 2026-07-26 | S. Sherring | Milton Keynes Dons → Rochdale | Free agent |
| 2026-07-26 | Z. Silcott-Duberry | Sheffield Wednesday → Rochdale | Free agent |
| 2026-07-25 | S. Sherring | Milton Keynes Dons → Rochdale | Free agent |
| 2026-07-23 | S. Waller | Harrogate Town → Rochdale | Free agent |
| 2026-07-16 | Nils Ramming | Brighton → Rochdale | Loan |
| 2026-07-16 | Kaiden Wilson | Chelsea → Rochdale | Loan |
| 2026-07-15 | D. Tutonda | Rochdale → Accrington ST | Free agent |
| 2026-07-08 | L. Maguire | Milton Keynes Dons → Rochdale | Free agent |
| 2026-07-07 | W. Jenkins | South Shields → Rochdale | Transfer |
| 2026-07-01 | C. Hayes | Peterborough → Rochdale | Transfer |
| 2026-06-30 | C. Hayes | Peterborough → Rochdale | Transfer |
| 2026-06-30 | A. Barlow | Rochdale → Altrincham | Free agent |
| 2026-06-30 | Kyron Silveria Gordon | Rochdale → Stockport County | Free agent |
| 2026-06-30 | C. McBride | Rochdale → Boston United | Free agent |
| 2026-06-30 | L. Humbles | Rochdale → Altrincham | Transfer |
| 2026-06-30 | T. Bradley | Rochdale → Rochdale | Transfer |
| 2026-06-29 | T. Allarakhia | Rochdale → Allarakhia Tarryn | Free agent |
| 2026-06-29 | T. Allarakhia | Rochdale → Boreham Wood | Free agent |
| 2026-06-29 | A. Barlow | Rochdale → Altrincham | Free agent |
| 2026-06-29 | Kyron Silveria Gordon | Rochdale → Stockport County | Free agent |
| 2026-06-29 | J. Pritchard | Rochdale → Pritchard Joe | Free agent |
| 2026-06-29 | J. Pritchard | Rochdale → Radcliffe | Free agent |
| 2026-06-29 | C. Edwards | Rochdale → Barrow | Free agent |
| 2026-06-29 | D. Tutonda | Rochdale → Tutonda David | Free agent |
| 2026-06-29 | D. Tutonda | Rochdale → Accrington ST | Free agent |
| 2026-06-29 | A. Gomez Mancini | Rochdale → Mancini Anthony | Free agent |
| 2026-06-29 | J. Griffiths | Rochdale → Griffiths Jack | Free agent |
| 2026-06-29 | T. Myles | Rochdale → Myles Tom | Free agent |
| 2026-06-29 | T. Myles | Rochdale → Salford City | Free agent |
| 2026-06-29 | L. Humbles | Rochdale → Altrincham | Transfer |
| 2026-06-29 | B. Hosannah | Rochdale → Hosannah Bryce Joseph | Free agent |
| 2026-06-29 | M. Duku | Rochdale → Duku Immanuelson | Free agent |
| 2026-06-29 | M. Duku | Rochdale → Eastleigh | Free agent |
| 2026-06-29 | L. Maguire | Milton Keynes Dons → Rochdale | Free agent |
| 2026-06-29 | J. Burger | Rochdale → Burger Jake | Free agent |
| 2026-05-30 | C. Edwards | Stockport County → Rochdale | Return from loan |
| 2026-05-30 | L. Humbles | Altrincham → Rochdale | Return from loan |
| 2026-05-30 | Callum Perry | Rochdale → Coventry | Return from loan |
| 2026-05-30 | A. Baptiste | Rochdale → Middlesbrough | Return from loan |
| 2026-05-30 | J. Gordon | Rochdale → Colchester | Return from loan |
| 2026-05-30 | Oliver Whatmuff | Rochdale → Manchester City (U21) | Return from loan |
| 2026-03-31 | B. Winterbottom | Rochdale → Barrow | Return from loan |
| 2026-03-26 | A. Baptiste | Middlesbrough → Rochdale | Loan |
| 2026-03-26 | J. Gordon | Colchester → Rochdale | Loan |
| 2026-03-24 | B. Winterbottom | Barrow → Rochdale | Loan |
| 2026-03-20 | L. Hannant | Oldham → Rochdale | - |
| 2026-02-23 | L. Hogan | Rochdale → Morecambe | Free agent |
| 2026-02-09 | E. Francis | Exeter City → Rochdale | Transfer |
| 2026-01-16 | C. Waller | Rochdale → Milton Keynes Dons | Return from loan |
| 2026-01-15 | M. Duku | Tamworth → Rochdale | Free agent |
| 2026-01-14 | Callum Perry | Coventry → Rochdale | Loan |
| 2026-01-14 | B. Bilongo | Bristol Rovers → Rochdale | Free agent |
| 2026-01-05 | R. Galvin | Rochdale → Barnet | Return from loan |
| 2026-01-04 | C. Edwards | Stockport County → Rochdale | Return from loan |
| 2026-01-02 | L. Amantchi | Rochdale → Walsall | Return from loan |