Huddersf. U21: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-07-01 | Brodie Spencer | Huddersf. U21 | Huddersfield | — |
| 2022-07-01 | Étienne Camara | Huddersf. U21 | Huddersfield | — |
| 2021-07-01 | Étienne Camara | Huddersf. U19 | Huddersf. U23 | — |
| 2021-07-01 | Brodie Spencer | Huddersf. U17 | Huddersf. U23 | — |
| 2021-01-01 | Kieran Phillips | Huddersf. U23 | Huddersfield | — |
| 2020-07-13 | Kieran Phillips | Everton U23 | Huddersf. U23 | Free |
| 2020-01-31 | Kieran Phillips | Everton U23 | Huddersf. U23 | Loan |
| 2019-07-01 | Lewis O'Brien | Huddersf. U23 | Huddersfield | — |
| 2019-07-01 | Jaden Brown | Huddersf. U23 | Huddersfield | — |
| 2019-01-18 | Jaden Brown | Huddersf. U23 | Exeter City | Loan |
| 2019-01-01 | Jaden Brown | Tottenham U23 | Huddersf. U23 | Free |
| 2018-08-31 | Lewis O'Brien | Huddersf. U23 | Bradford | Loan |
| 2017-07-01 | Lewis O'Brien | Huddersf. U18 | Huddersf. U23 | — |