Rotherham United (League Two): every transfer in and out, fees paid and earned, squad market value, €955k spent and €4.6m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-08-24 | Reece James | Rotherham United | Sheffield Wednesday | Free |
| 2026-08-13 | Cameron Dawson | Rotherham United | Bradford | Free |
| 2026-08-05 | Tom Bradshaw | Oxford United | Rotherham United | Free |
| 2026-07-29 | Paul Mullin | Wrexham | Rotherham United | Free |
| 2026-07-24 | Sam Nombe | Rotherham United | Milton Keynes Dons | Free |
| 2026-07-13 | Dru Yearwood | Rotherham United | GD Chaves | Free |
| 2026-07-10 | Ossama Ashley | Salford City | Rotherham United | Free |
| 2026-07-10 | Jamie Jellis | Walsall | Rotherham United | Free |
| 2026-07-07 | Aaron Nemane | Milton Keynes Dons | Rotherham United | Free |
| 2026-07-07 | Zak Jules | Rotherham United | Eyüpspor | Free |
| 2026-07-01 | Fábio André Tavares Desidério | Burton Albion | Rotherham United | Free |
| 2026-07-01 | Josh Ayres | Rotherham United | Woking | Free |
| 2026-07-01 | Joe Powell | Rotherham United | Salford City | Free |
| 2026-07-01 | Ciaran McGuckin | Rotherham United | Harrogate Town | Free |
| 2026-07-01 | Jordan Hugill | Rotherham United | Hartlepool United | Free |
| 2026-07-01 | Jack Holmes | Rotherham United | Boston United | Free |
| 2026-07-01 | Sean Raggett | Rotherham United | Colchester United | Free |
| 2026-02-02 | Brandon Cover | Leicester U21 | Rotherham United | Free |
| 2026-02-02 | Lino Sousa | Aston Villa U21 | Rotherham United | Loan |
| 2026-02-02 | Sean Raggett | Rotherham United | Cambridge United | Loan |