Lazio U20: every transfer in and out, fees paid and earned, squad market value, €8.7m spent and €500k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-09 | Leonardo Di Tommaso | Lazio U20 | Cerignola | Free |
| 2025-07-15 | Leonardo Di Tommaso | Lazio U20 | Casertana | Loan |
| 2025-07-05 | Matteo Zazza | Lazio U20 | Team Altamura | — |
| 2025-07-05 | Marco Nazzaro | Lazio U20 | Team Altamura | — |
| 2025-07-03 | Alessandro Milani | Lazio U20 | Avellino | Free |
| 2024-08-30 | Federico Magro | Lazio U20 | Hellas Verona | — |
| 2024-07-12 | Matteo Duțu | Lazio U20 | Milan U20 | €500k |
| 2024-07-01 | Davide Renzetti | Lazio U20 | Lazio | — |
| 2023-09-01 | Filipe Bordon | Ferroviária U20 | Lazio U19 | Loan |
| 2023-08-03 | Romano Floriani Mussolini | Lazio U19 | Pescara | Free |
| 2023-07-01 | Saná Fernandes | Lazio U19 | Lazio | — |
| 2023-07-01 | Matteo Zazza | Lazio U18 | Lazio U19 | — |
| 2023-07-01 | Marco Nazzaro | Lazio U18 | Lazio U19 | — |
| 2023-07-01 | Federico Serra | Lazio U17 | Lazio U19 | — |
| 2023-07-01 | Davide Renzetti | Lazio U18 | Lazio U19 | — |
| 2023-01-31 | Diego González | Celaya | Lazio U19 | Loan |
| 2022-09-01 | Saná Fernandes | Sporting U17 | Lazio U19 | Free |
| 2022-08-24 | Florent Shehu | Lazio U19 | Luzern U21 | Free |
| 2022-07-01 | Matteo Duțu | Lazio U18 | Lazio U19 | — |
| 2022-07-01 | Luca Napolitano | Lazio U18 | Lazio U19 | — |