Napoli U17: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2023-09-01 | Ciro Borrelli | Napoli U17 | Salernitana U19 | Free |
| 2023-07-01 | Mattia Esposito | Napoli U17 | Napoli U19 | — |
| 2022-07-01 | Luigi D'Avino | Napoli U17 | Napoli U19 | — |
| 2022-07-01 | Lorenzo Russo | Napoli U17 | Napoli U19 | — |
| 2022-07-01 | Claudio Turi | Napoli U17 | Napoli U19 | — |
| 2022-07-01 | Ciro Borrelli | SSC Napoli Yout | Napoli U17 | — |
| 2021-07-01 | Lorenzo Russo | SSC Napoli Yout | Napoli U17 | — |
| 2021-07-01 | Francesco Gioielli | Napoli U17 | Napoli U19 | — |
| 2021-04-18 | Luigi D'Avino | SSC Napoli Yout | Napoli U17 | — |
| 2021-04-18 | Claudio Turi | SSC Napoli Yout | Napoli U17 | — |
| 2020-09-01 | Gennaro Iaccarino | Napoli U17 | Napoli U19 | — |
| 2020-09-01 | Francesco Gioielli | SSC Napoli Yout | Napoli U17 | — |
| 2020-09-01 | Antonio Vergara | Napoli U17 | Napoli U19 | — |
| 2019-07-01 | Gennaro Iaccarino | SSC Napoli Yout | Napoli U17 | — |
| 2019-07-01 | Antonio Vergara | SSC Napoli Yout | Napoli U17 | — |
| 2016-12-29 | Gianluca Gaetano | Napoli U17 | Napoli U19 | — |
| 2015-07-01 | Gianluca Gaetano | SSC Napoli Yout | Napoli U17 | — |
| 2012-07-01 | Nikita Contini | Napoli U17 | Napoli U19 | — |
| 2011-07-01 | Nikita Contini | SSC Napoli Yout | Napoli U17 | — |